Abronia angustifolia

Greene

Pittonia 3: 344. 1898. 1898

Illustrated
Synonyms: Abronia angustifolia var. arizonica (Stan dley) Kearney & Peebles Abronia torreyi
Treatment appears in FNA Volume 4. Treatment on page 65. Mentioned on page 62, 64.

Plants annual (perennial). Stems decumbent to ascending, much branched, elongate, often reddish, glandular-pubescent, viscid. Leaves: petiole 1–7 cm; blade ovate-oblong to elliptic, 1–5.5 × 0.7–3 cm, margins entire to sinuate, often ± undulate, infrequently shallowly lobed, surfaces viscid-pubescent. Inflorescences: peduncle longer than subtending petiole; bracts lanceolate to oblong-lanceolate, 5–10 × 1–3 mm, papery, glandular-pubescent; 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 × 4–8 mm, scarious, apex narrowly tapered to a prominent beak; wings 5, extending to or slightly beyond base of beak, truncate, with conspicuous dilations, cavities extending throughout.


Phenology: Flowering spring–fall.
Habitat: Sandy soils, desert scrub
Elevation: 300-1300 m

Distribution

Ariz., N.Mex., Tex., n Mexico (Chihuahua), n Mexico (Coahuila)

Discussion

Plants on gypsum flats and knolls of White Sands, New Mexico, are perennial, but may flower in their first season.

Selected References

None.

Lower Taxa

None.

... more about "Abronia angustifolia"
Leo A. Galloway +
Greene +
glutinous +
unequal +
woody +, leathery +  and fleshy +
1 cm10 mm <br />0.01 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
ovate-oblong;elliptic +
succulent +
0.7cm;3cm +
persistent +
distinct +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
glandular-pubescent +
lanceolate +  and oblong-lanceolate +
not accrescent +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.3 cm3 mm <br />0.003 m <br /> (?) +
corollalike +  and petaloid +
flattened +  and dilated +
Ariz. +, N.Mex. +, Tex. +, n Mexico (Chihuahua) +  and n Mexico (Coahuila) +
300-1300 m +
curved +  and straight +
inconspicuous +  and showy +
10 +  and 30 +
chasmogamous +  and bisexual +
not +  and winged +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
glabrate +  and viscid puberulent +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Sandy soils, desert scrub +
cauline +  and basal +
unequal +
pale rose +, bright magenta +  and pale-pink +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
5-lobed +
pubescent +  and glabrous +
lobed +, undulate +, entire +  and sinuate +
expanded +
salverform +
constricted +
1 cm10 mm <br />0.01 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Flowering spring–fall. +
slightly rounded;conic +
thick +  and thin +
fibrous;fleshy +
membranaceous +
ribbed +, 10-ribbed +  and 5-ribbed +
pubescent +, glabrous +  and warty +
Illustrated +
decumbent +  and ascending +
elongate +
fusiform +  and linear +
filiform +
rugose +  and smooth +
viscid-pubescent +
Abronia angustifolia var. arizonica +  and Abronia torreyi +
slender +  and stout +
Abronia angustifolia +
species +
gland-tipped +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +