Fremontodendron

Coville

Contr. U.S. Natl. Herb. 4: 74. 1893.

Etymology: For John Charles Frémont, 1813 – 1890, U.S. military explorer and politician, and Greek dendron, tree
Basionym: Fremontia Torrey Proc. Amer. Assoc. Advancem. Sci. 4: 191. 1851,
Treatment appears in FNA Volume 6. Treatment on page 192. Mentioned on page 187.

Shrubs or trees to 100 dm. Leaves stipulate (stipules caducous); blade usually palmately lobed, base cuneate to rounded or cordate, surfaces hairy, hairs mostly stellate, (1–)3–7-veined from base. Inflorescences flowers solitary, (usually supra-axillary). Flowers: epicalyx caducous; sepals coppery, orange, or yellow, sometimes with red, weakly imbricate or valvate, adaxially glandular or pitted near base, apex often apiculate to attenuate; filament bases connate to 1/2 their lengths; ovary sessile, carpels (4–)5, connate; styles 1; stigmas 1. Capsules 4–5-locular, usually densely hairy abaxially. Seeds 2–3 per locule, often carunculate.

Distribution

sw United States, nw Mexico.

Discussion

Species 3 (3 in the flora).

Key

1 Plants decumbent, to 10+ dm; pedicels 10–27 mm; sepals usually coppery to orange, rarely yellow. Fremontodendron decumbens
1 Plants erect, mostly 15–100 dm; pedicels 4–18 mm; sepals usually orange to yellow > 2
2 Leaf blade bases cuneate to rounded or weakly cordate; sepals usually yellow, lobes sometimes red at bases and margins, gland/pit borders usually setose; seeds usually carunculate, hairy. Fremontodendron californicum
2 Leaf blade bases notably cordate; sepals usually orange, lobes sometimes reddish at bases and along veins, gland/pit borders rarely setose; seeds rarely carunculate, usually glabrous. Fremontodendron mexicanum
... more about "Fremontodendron"
John L. Strother +
Coville +
Fremontia +
sw United States +  and nw Mexico. +
For John Charles Frémont, 1813 – 1890, U.S. military explorer and politician, and Greek dendron, tree +
Contr. U.S. Natl. Herb. +
kelman1991a +  and kelman2006a +
Fremontodendron +
Malvaceae subfam. Bombacoideae +