Flora of North America species comparison

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Orbexilum macrophyllum

largeleaf leather-root
Habit Herbs to 10 dm.
Stems

pubescent, hairs fine, retrorse.
Leaves

pinnately 3-foliolate;

stipules linear, 9–10 mm;

petiole 30–90 mm;

leaflet blades broadly ovate, 60–70 × 5.2–6.3 mm, base cordate, surfaces glandular-punctate, sparsely pubescent.
Inflorescences

columnar, 10+ cm.
Peduncles

11–15 cm.
Flowers

9 mm;

calyx 7–8 mm, eglandular, villous;

corolla color unknown, banner ovate.
Legumes

unknown.
Seeds

unknown.

Orbexilum macrophyllum
Phenology Flowering Jun.
Habitat Woods.
Elevation 500–1000 m. (1600–3300 ft.)
Distribution
from FNA
NC
[BONAP county map]
Discussion

Orbexilum macrophyllum is known only from the type specimen collected at Tryon Mountain. Repeated searches have been unfruitful, and it is presumed to be extinct (D. Isely 1990).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Orbexilum
Sibling taxa
O. lupinellus, O. onobrychis, O. pedunculatum, O. psoralioides, O. simplex, O. stipulatum, O. virgatum
Synonyms Psoralea macrophylla
Name authority (Rowlee ex Small) Rydberg in N. L. Britton et al.: N. Amer. Fl. 24: 5. (1919)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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