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Petals white, pink, rose, magenta, cream, yellow, or yellow-orange, lacking yellow blotch at base > 14 14 Petals pink, rose, or magenta Claytonia rosea 14

lobes not reflexed, length 0.5–1 times tube; petals 5, lavender, magenta, pink, rose, violet, white, or yellow [red], corolla campanulate, lobes not reflexed

color of the inner; inner tepals yellow-green, yellow to bronze, or red to magenta, spatulate, emarginate-apiculate. Pollen spinulo-punctate, not reticulate

in fruit, glabrous, pilose, or puberulent; corollas lavender, magenta, pink, purple, rose, violet, white, or yellow; plants annual, biennial, or perennial

Subshrubs or shrubs; staminodes glabrous; corollas pink, red, scarlet, or magenta, rarely lavender or violet. > 3 3 Cauline leaf blades linear and pollen

Dolichothele (K. Schumann) Britton & Rose Ebnerella Buxbaum Leptocladodia Buxbaum Neomammillaria Britton & Rose Phellosperma Britton & Rose Treatment appears in FNA

area outside of cultivation. These include the Mexican Robinsonella cordata Rose & Baker f. and, from Australia and New Zealand, Hoheria glabrata Sprague

evident; petals 5, corolla deciduous, rarely marcescent, pink, red, crimson, magenta, lavender, purple, or yellow, rarely white, bilaterally symmetric, sometimes

glabrous; corolla white to lilac, lavender, blue, violet, purple, red, pink, or magenta, bilaterally symmetric, rarely nearly radially symmetric (P. goodrichii)

subulate, lanceolate, or ovate, typically small. Flowers not resupinate, magenta, deep rose-pink, pale-pink, or white, sometimes fragrant, sessile; dorsal sepal

eglandular or stipitate-glandular. Flowers bisexual; petals pink to rose or magenta, obovate to oblanceolate, 8–25 mm; outer filaments dilated basally,

pseudospectabilis), glabrous or glandular-pubescent; corolla white to pink, rose, red, magenta, yellow, lavender, blue, violet, or purple, bilaterally symmetric

sect. Sclerocactus (Britton & Rose) N. P. Taylor Pediocactus sect. Sclerocactus (Britton & Rose) Halda Toumeya Britton & Rose Treatment appears in FNA Volume

of innermost tepals to base of nectar chamber); inner tepals pink, red, magenta, orange, yellow, brownish, or greenish (rarely white), proximally a darker

Pediocactus sileri, Pediocactus simpsonii, Pediocactus winkleri Britton & Rose in N. L. Britton and A. Brown in N. L. Britton and A. Brown, Ill. Fl. N.

crimson, scarlet, pink, pinkish purple, pinkish red, or yellow, sometimes rose magenta, red-orange, or orange, oblanceolate or obovate to oblong or lanceolate

6–10 mm. Flowers: calyx 9–14 mm, lobes 5.5–11 × 3.5–7 mm; petals rose-pink to lilac, magenta-spotted at base, (15–) 20–30 mm, exceeding calyx. Mericarps 25–36

hedgehog, an d Cactus, an old genus name Synonyms: Homalocephala Britton & Rose Treatment appears in FNA Volume 4. Treatment on page 188. Mentioned on page

bright red to red-orange, crimson, or scarlet, rarely yellow, orange, rose, magenta, or pinkish red, 5 (–7) -lobed. Calyces colored as bracts, or yellow

Cumarinia Buxbaum Escobaria Britton & Rose Escobesseya Hester Lepidocoryphantha Backeberg Neobesseya Britton & Rose Treatment appears in FNA Volume 4. Treatment

farinose stripes on ridges, narrowly campanulate, 5–11 mm; corolla rose to magenta-violet, tube 7–14 mm, length 1–2 times calyx, glandular or eglandular

whitish or magenta to purplish, to 25 × 10 mm, margins entire (sometimes irregularly, minutely denticulate); inner tepals bright-rose-pink or magenta, 15–32

Sidalcea candida 12 Petals pale pink, pinkish rose, pink, or pinkish lavender, dark rose-pink, or magenta, not drying yellowish, (5–)10–15(–23) mm; rhizomes

genusThelocactus Show Lower Taxa Thelocactus bicolor (K. Schumann) Britton & Rose Bull. Torrey Bot. Club 49: 251. 1922. Allan D. Zimmerman, Bruce D. Parfitt

purple midstripes and rose-purple or magenta margins, cuneate-spatulate, usually 15–30 × 6–9 mm; inner tepals rose-purple to magenta (rarely white), largest

entire aboveground portion of plant. Flowers 2–25, resupinate, tan, brown, magenta, purple, or maroon; dorsal sepal lanceolate; lateral sepals falcate to lanceolate

glandular-puberulent, rarely nearly glabrous; petals bright blue to rose or magenta, 1.2–1.6 cm. 2n = 12, 24. Phenology: Flowering spring–summer (Mar–Jul)

perennial > 12 11 Plants perennial > 13 12 Perianth limb magenta to pale pink, infrequently pale rose; leaf blades mostly ovate to elliptic Abronia angustifolia

beyond middle, lobes not ribbed, acuminate; corolla campanulate, white to rose, lavender, or mauve, drying purple or blue; staminal column included; ovary

wide. Spines to 28 per areole, hemispherically arranged, initially rose to magenta, becoming darker or fading to grayish white, relatively thin and brittle

macromeris var. runyonii (Britton & Rose) L. D. Benson Coryphantha macromeris Werdermann Coryphantha pirtlei Britton & Rose Coryphantha runyonii (Engelmann)

outer tepals whitish with greenish midvein; inner tepals bright-rose-pink, almost magenta, without darker midstripes; anthers 1 mm; style 7–11 × 1 mm. Fruits

dull, deep purple, or reddish purple, distally pink, pink-purple, magenta, deep rose, crimson, cream, or white, sometimes red, pale orange, or red-orange

spines (9–) 13–42 (–58) × (0.2–) 0.4–1.5 mm. Flowers: inner tepals rose-pink to magenta, marked with scarlet or orange proximally, sometimes with white band

purple midstripes and rose-purple or magenta margins, cuneate-spatulate, usually 10–17 × 5–8 mm; inner tepals rose-purple to magenta, largest tepals ovatelanceolate

glandular, rarely glabrous or glabrescent; petals distinct, bright blue to rose or magenta, broadly ovate, not clawed, 6–16 mm; stamens free; filaments bearded

basalmost bract margins glandular-toothed. Petals pale-pink to deep purple-magenta or rose, (10–) 12–13 mm. 2n = 30. Phenology: Flowering late spring–summer. Habitat:

genusHylocereus Show Lower Taxa Hylocereus undatus (A. Berger) Britton & Rose Contr. U.S. Natl. Herb. 12: 428. 1909. Michael W. Hawkes Common names: Night-blooming

familyPassifloraceae genusPassiflora speciesPassiflora arida (Masters & Rose) Killip J. Wash. Acad. Sci. 12: 256. 1922. Douglas H. Goldman, John M. MacDougal

blue to lavender. Delphinium lineapetalum 2 Sepals rose to pinkish or yellow > 3 3 Sepals magenta to rose. Delphinium purpusii 3 Sepals yellow. Delphinium

or pale-rose-pink, midstripes usually ± sharply defined (sometimes absent), pink often suffused with brown, tan, yellowish, reddish, magenta, purple,

LAYOUT:treatment:TUOYAL familyCommelinaceae genusTradescantia speciesTradescantia gigantea Rose Contributions from the U. S. National Herbarium 5: 205. 1899. Robert B. Faden

white, pink, or rose. > 3 2 Petals yellow. > 4 3 Sepals spreading; proximal petal gland membranes ± equal to petal width; petals rose. Calochortus amoenus

throughout its length. Flowers 5–7 × 5–6.5 (–9.5) cm; inner tepals bright-rose-pink or magenta, color ± uniform from base to apex, 3 × 1.5 cm, margins entire to

tube hairs 2.3–4 mm; inner tepals rose-pink to magenta [rarely nearly white], with midstripes darker, darker magenta or sometimes purplish maroon near

apex obtuse, rarely apiculate, ribs purplish. Corollas: tube magenta, limb magenta to pale rose, rarely nearly white, abaxial lip usually paler, palate ridges

(–7.5) cm; outer tepal margins conspicuously fringed; inner tepals rose-pink or magenta [white], margins often paler; stigma lobes yellow or pale green (rarely

recurved, pale-rose-pink to reddish-pink or magenta, sometimes with darker midstripes, sometimes shading to white or pale greenish, proximally magenta, often darkest

membranous margins; petals (including petaloid staminodia) to 250, distinct, magenta, pink, yellow, cream, or white; nectary absent; stamens to 600, erect; pistil

flowers 10–30. Perianth: tube pink, 10–20 mm, limb bright magenta to pale-pink, infrequently pale rose, 6–8 mm diam. Fruits broadly obdeltate in profile, 5–10

surface sparsely strigillose and glandular puberulent; petals usually rose-purple or magenta to light pink, rarely white, 3–10 (–11) × 2–6 mm, apical notch 0

stellate-puberulent, sometimes bristly with hairs 0.5–1 (–2.5) mm; petals pink to rose-pink or magenta, pistillate 6–10 mm, bisexual 10–15 (–20) mm; staminal column 4–6

Cactoideae genusPediocactus speciesPediocactus simpsonii (Engelmann) Britton & Rose in N. L. Britton and A. Brown in N. L. Britton and A. Brown, Ill. Fl. N.

Benson Escobaria missouriensis (Engelmann) Britton & Rose Neobesseya missouriensis (Sweet) Britton & Rose ex Rydberg Neobesseya similis Neomam-millaria missouriensis

Synonyms: Krameria glandulosa Rose & J. H. Painter K. palmeri Rose K. parvifolia Bentham K. parvifolia var. glandulosa (Rose & J. H. Painter) J. F. Macbride

distally red to red-orange, yellow, green, or white, rarely pink, peach, or magenta. > 2 2 Bracts 0-lobed, apices acuminate or spatulate; mostly west of Continental

sharp-pointed, ribs green distally, intercostal areas whitish. Corollas magenta or rose-purple, tube yellow, throat yellow, throat and distal tube red-spotted

to 30 × 15–45 mm; flower tube hairs to 2 mm; inner tepals bright-rose-pink or magenta, conspicuously white banded proximally, 40–50 × 10–15 mm, tips relatively

membranous scales. Flowers 8–14 mm diam.; sepals 3–5 mm; petals pink, rose, or magenta, 8–10 mm; ovules 6. Seeds 2–3 mm, shiny and smooth; elaiosome 1–2 mm

yellow (rarely orange-yellow, sometimes becoming salmon or rose-pink with age), or rose-pink to magenta, proximal 5–30% green in either case, (25–) 32–69 (–77)

tepals 22–27 per flower, bright-rose-pink or magenta, proximally paler, 10–17 × 2–4 mm; outer filaments colorless or white to rose; anthers orange-yellow; stigma

obscured; petals usually overlapping, pink or pink-lavender to dark rose-pink or magenta, not notably pale-veined, pistillate 5–10 mm, bisexual 8–15 (–20)

mm; outer tepals fringed; inner tepals 15 or 16 per flower, pale-rose-pink to magenta, shading gradually to paler pink or white basally, sometimes with

ascending, linear, very narrow. Bracts distally magenta to pink or pink-purple, sometimes red, red-orange, deep rose, or crimson, rarely whitish, 3–7-lobed; lobes

0.5–2.5 mm. Flowers: inner tepals rose to magenta, to 20 mm; filaments yellow-green to distally tinted pink to magenta; anthers yellow, sometimes bearing

× 7–18 mm; flower tube hairs 3–5 (–10) mm; inner tepals rose-pink with darker-pink to magenta midstripes, proximally darker, 25–35 × 4–12 mm, tips relatively

to 1 mm. Flowers: inner tepals rose to magenta, spatulate, 18–25 (–30) mm, emarginate-apiculate; filaments deep rose; anthers yellow; style white, tinged

subequal. Corollas pale-pink to rose-pink or purple to magenta, throat sometimes yellow, lobes sometimes yellowish with pale rose spots, bilaterally symmetric

heterostylous; calyx green or greenish black, campanulate, 5–7 mm; corolla rose-magenta, tube 5–7 mm, length 1 times calyx, eglandular, limb 10–20 mm diam.,

with white farinose ridges, cylindric to campanulate, 4–8 mm; corolla rose-magenta, tube 5–15 mm, length 1.2–2 times calyx, glandular, limb 15–25 mm diam

sharp-pointed, ribs green distally, intercostal areas whitish. Corollas magenta or rose-purple, tube yellow, throat usually yellow, throat and distal tube red-spotted

bracts). Flowers 8–14 mm diam.; sepals 4–6 mm; petals white to pink, rose, magenta, yellow, or deep orange, 5–20 mm; ovules 6. Seeds 2–2.5 mm diam., shiny

glabrescent. Inflorescences terminal, often axillary; bracts foliaceous. Flowers rose-scented, distinctly pedicillate; pedicels 1–2.8 cm, glandular-puberulent;

lobes subequal, apex acute, ribs green, intercostal areas whitish. Corollas rose-pink to purplish, limb often pale, especially abaxial lip, abaxial lip often

peduncles; leaves strongly ascending Mirabilis pudica 3 Perianth usually pink or magenta; involucres usually erect; leaves spreading > 4 4 Bracts of involucres distinct

ribs green distally, intercostal areas whitish. Corollas light pink to magenta or rose-purple, usually with a darker narrow line extending from throat onto

purple-brown, 20–35 mm; filaments dark bronze-red to magenta; anthers yellow, sometimes sterile; style rose-pink (at least distally); stigma lobes cream. Fruits

(Linnaeus) Clairville Man. Herbor. Suisse, 145. 1811. John K. Morton Common names: Rose campion dusty-miller mullein pink lychnide coronaire IntroducedIllustrated

flower tube 15–20 × 15–25 mm; flower tube hairs 2 mm; inner tepals magenta to rose-pink, darker proximally, 30 × 5–12 mm, tips relatively thin and delicate;

triangular in cross-section, 10–20 mm, outer angle smooth; petals 100–140, rose-magenta, 2–3-seriate, 10–25 mm; stamens 100–250, white, 3–4-seriate, 4–7 mm,

homostylous; calyx green or greenish black, campanulate, 5–7 mm; corolla rose-magenta, tube 5–7 mm, length 2 times calyx, eglandular, limb 10–20 mm diam.,

glabrous or with a few minute glandular-hairs at base; petals distinct, rose to magenta or purple, broadly ovate, not clawed, 1 cm; stamens free; filaments

Cactoideae genusCoryphantha speciesCoryphantha chlorantha (Engelmann) Britton & Rose Cact. 4: 43. 1923. Allan D. Zimmerman, Bruce D. Parfitt Endemic Basionym:

bracteoles 1-6 mm from flowers, green to magenta, linear, 2-4 mm, glandular-puberulent. Flowers: sepals magenta to rose, nearly glabrous, lateral sepals reflexed

short-acuminate, glabrous or sparsely glandular-pubescent; corolla rose-pink to rose magenta, with reddish purple nectar guides, bilaterally symmetric, bilabiate

linear, mostly short, apex acute. Inflorescences 3.5–6.5 × 2–5 cm; bracts magenta, rose red, lavender, or pink throughout, broadly lanceolate, oblong, or ovate

pink-purple, magenta, deep rose, or crimson, rarely white, 3–7-lobed; lobes lanceolate, arising near to above mid length. Calyces deep purple with magenta or light

tube 13–30 × 10–30 mm; flower tube hairs 1 mm; inner tepals bright-rose-pink to magenta, often varying from paler to darker in same population, proximally

Flowers: inner tepals yellow-green, yellow to gold or bronze, or red to rose or magenta, spatulate, apiculate; filaments yellowish green; anthers yellow; style

distal to base inside; sepals 2–7.5 × 0.5–2.2 mm, apex acute; petals rose-purple, magenta, pink, or white, 3–9.5 (–11.5) × 1.2–5 (–6.2) mm, apical notch 0

lanceolate, apex acuminate. Inflorescences 2.5–5.5 × 1.5–2.5 cm; bracts rose-purple, magenta, lilac, or crimson throughout, or proximally greenish to dull purplish

genusEchinocereus speciesEchinocereus reichenbachii (Walpers) Haage ex Britton & Rose Cactaceae 3: 25. 1922. Allan D. Zimmerman, Bruce D. Parfitt Common names:

acuminate or attenuate, canescent abaxially, glabrous adaxially; petals usually rose-purple to pale-pink, very rarely white, obovate to narrowly obovate or nearly

flower tube 25–35 × 15–35 mm; flower tube hairs 1–1.5 mm; inner tepals rose-pink to magenta, darkest proximally and/or centrally, 55–60 (–80) × 12–25 mm, tips

lobes ovate, 3–4.2 (–5) × 1.5–2.5 mm, glandular-pubescent; corolla rose to magenta or pinkish lavender, without nectar guides, bilabiate, funnelform to

fringed; inner tepals white or pinkish with bright-rose-pink midstripes, 14–19 × 5–7 mm; stigma lobes magenta, 3–6 mm. Fruits bright red, obovoid to nearly

proximally greenish to deep greenish purple, distally purple, magenta, reddish, pink, or rose, rarely white, cream, light yellow, or dull orangish, proximal

with maroon, thin, wavy ring, lobes 5, white, sometimes pale rose or lavender to (rarely) magenta, 10–20 mm; filaments distinct and 0.8–1.2 mm or connate and

midflowering; bracts red to red-orange, crimson, or magenta throughout, sometimes green, pale orange, rose red, salmon, or yellow throughout, or proximally

1 Phyllary apices petaloid, blue, lavender, magenta, or pink, ± elongate and recurving, petaloid portions short relative to herbaceous bases > 2 1 Phyllary

purplish, intercostal areas whitish. Corollas of 2 color forms: (a) dark magenta, purplish, or reddish with palate ridges or whole throat floor yellow, red

Howell Fl. N.W. Amer. 1: 101. 1897. Steven R. Hill Common names: Virgate or rose checkerbloom Endemic Synonyms: Sidalcea malviflora subsp. virgata (Howell)

proximally green to deep purple, rarely light tan, distally red, scarlet, rose, red-orange, or yellow, sometimes orange, dull brownish orange, pale pinkish

2–4-rayed especially at margins and over veins; petals pinkish rose to pinkish lavender or magenta, pale-veined or not, base often white, 10–25 mm, pistillate

E. lewisii but is distinct in its light pink corollas (versus mostly magenta-rose to purplish in E. lewisii), more broadly cylindric calyx tube [14–19

Caulanthus 39 Petal claws attenuate; fruits erect to divaricate > 40 40 Petals magenta or purple with deeper purple center. Streptanthus 40 Petals white, lavender

terminal pit-gland, tack-gland, or spine (or apiculus); rays yellow, whitish, or rose; ray cypselae terete to subterete or ± obcompressed (cross sections nearly