Boykinia rotundifolia

Parry ex A. Gray

Proc. Amer. Acad. Arts 13: 371. 1878,.

Synonyms: Therofon rotundifolium (Parry ex A. Gray) Wheelock
Treatment appears in FNA Volume 8. Treatment on page 128. Mentioned on page 126.

Plants: rhizomes proliferating underground. Flowering-stems (30–) 50–80 (–130) cm. Basal leaves: petiole 5–22 cm; blade usually orbiculate-cordate, sometimes reniform, shallowly and indistinctly lobed, (3.5–) 7–16 × (4–) 9–18 cm, margins 2–3-times serrate. Cauline leaves: stipules 1–2 mm expansions of petiole base, fringed with brown hairs. Inflorescences ± pyramidal, (10–) 15–25-flowered per primary branch. Pedicels densely stipitate-glandular. Flowers: hypanthium campanulate, free portion 1–2 mm, densely stipitate-glandular; sepals erect, triangular to lanceolate, 1.5–2 mm, apex acute; petals narrowly spatulate, 2–3 × 1 mm, shorter than or to 1.5 times as long as sepals, base tapered to claw, margins plane; nectary green; stamens 1.2–1.6 mm; ovary 2/3 inferior. Capsules ovoid, turbinate, or urceolate. Seeds usually black, tuberculate. 2n = 14.


Phenology: Flowering early-mid summer.
Habitat: Damp woodlands, margins of lakes, ponds, and watercourses, often on disturbed soil, trailsides, mudslides
Elevation: 800-2000 m

Distribution

V8 255-distribution-map.gif

Calif., Mexico (Baja California)

Discussion

The record of Boykinia rotundifolia from “Lower California” (Williamson, 20 July 1901, PH) is the only collection seen from Mexico. The species is occasionally grown in gardens.

Selected References

None.

Lower Taxa

None.
... more about "Boykinia rotundifolia"
palmate +  and grooved +
epigynous +, perigynous +  and hypogynous +
Richard J. Gornall +
Parry ex A. Gray +
tapered +
3.5 cm35 mm <br />0.035 m <br /> (7 cm70 mm <br />0.07 m <br />) +
4 cm40 mm <br />0.04 m <br /> (9 cm90 mm <br />0.09 m <br />) +
7 cm70 mm <br />0.07 m <br /> (16 cm160 mm <br />0.16 m <br />) +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
lobed +, reniform +  and orbiculate-cordate +
9cm +  and 18cm +
bracteate +  and (3-)5-20(-30)-flowered +
urceolate +, turbinate +  and ovoid +
3-carpellate +  and 2-carpellate +
Calif. +  and Mexico (Baja California) +
800-2000 m +
linear +  and subulate +
unisexual +  and bisexual +
80 cm800 mm <br />0.8 m <br /> (130 cm1,300 mm <br />1.3 m <br />) +
50 cm500 mm <br />0.5 m <br /> (80 cm800 mm <br />0.8 m <br />) +
2-3(-4)-beaked +  and folliclelike +
Damp woodlands, margins of lakes, ponds, and watercourses, often on disturbed soil, trailsides, mudslides +
multicellular +
free +  and adnate +
(10-)15-25-flowered +
opposite +  and alternate +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
crassinucellate +, unitegmic +  and bitegmic +
stipitate-glandular +
epigynous +, perigynous +  and hypogynous +
distinct +
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 0.3 cm3 mm <br />0.003 m <br /> (?) +
1 cm10 mm <br />0.01 m <br /> (?) +
peltate +  and jointed +
stipitate-glandular +
5 cm50 mm <br />0.05 m <br /> (22 cm220 mm <br />0.22 m <br />) +
Flowering early-mid summer. +
unequal +
stipitate-glandular +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Proc. Amer. Acad. Arts +
proliferating +
underground +
spiny +  and ribbed +
straight +
tuberculate +
ellipsoid +
green +  and purple +
distinct +
0 +  and 1.5 +
triangular +  and lanceolate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
unbranched +  and branched +
persistent +
horizontal +  and erect +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.2 cm2 mm <br />0.002 m <br /> (?) +
connate +  and distinct +
stipitate-glandular +
Therofon rotundifolium +
Boykinia rotundifolia +
Boykinia +
species +
crenate +  and serrate +
not stoloniferous +  and rhizomatous +
annual +, biennial +  and perennial +