Adlumia

Rafinesque ex de Candolle

Syst. Nat. 2: 111. 1821, name conserved.

Etymology: For John Adlum, 1759-1836, a horticulturist born in York, Pa., died in Georgetown, D.C.
Treatment appears in FNA Volume 3.
Revision as of 21:47, 5 November 2020 by imported>Volume Importer
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Vines or vinelike caulescent herbs, biennial, perhaps also annual, from taproots. Stems developing in 2d year, climbing, usually simple. Leaves cauline, compound, petiolate; blade with 3-5 orders of leaflets and lobes; margins entire; surfaces glabrous; distal petiolules and reduced leaflets twining and tendril-like. Inflorescences axillary, cymose-paniculate, multifloral. Flowers bilaterally symmetric about each of 2 perpendicular planes; sepals caducous, peltate with attachment near base; corolla persistent, compressed-urceolate, becoming spongy; outer petals connate except at apex, base saccate, apex with erect or reflexed, ovate to deltate lobe; inner petals similar but with apical lobes connate over stigma; filaments basally connate and adnate to petals; ovary linear or narrowly oblong; style persistent; stigma ± 2-lobed. Capsules dehiscent, 2-valved. Seeds ca. 6, elaiosome absent.

Distribution

e North America, Asia (Korea).

Discussion

Species 2 (1 in the flora).

The Asian members of the genus usually are considered to be a distinct species, Adlumia asiatica Ohwi.

Selected References

None.

Lower Taxa