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Thurber's hoary-pea

coral hoary-pea

Habit Herbs. Subshrubs.
Stems

erect, 30–60 cm, hirsute to hirsute-villous.

erect to ascending-sprawling, 5–70 cm, densely fine-hirsute to hirsute.

Leaves

petiole 10–30(–40) mm;

leaflets (9–)11–27, blades elliptic to narrowly oblong, 15–30 × (5–)7–13 mm, length 2.5–3.5(–4) times width, apex obtuse to rounded, surfaces loosely strigose to sericeous.

petiole 6–15 mm;

leaflets 11–15, blades linear to oblong-elliptic or oblong-oblanceolate, (9–)12–30 × 3–6 mm, length 3–5 times width, apex rounded to truncate, surfaces villous-hirsute, abaxial veins reddish.

Racemes

congested, 8–14-flowered, 2–4 cm;

floral bracts setaceous, caducous.

5–11-flowered, 4–8 cm;

floral bracts persistent, linear.

Flowers

corolla pink and pink-purple or yellowish, aging pink-purple, 15–18 mm;

stamens weakly diadelphous;

style bearded.

corolla pale pink to purple, 7–11 mm;

stamens monadelphous;

style glabrous.

Legumes

30–60 × 4 mm, villosulous.

35–45 × 3–4 mm, sparsely hirsutulous.

Tephrosia thurberi

Tephrosia corallicola

Phenology Flowering Jun–Sep. Flowering May–Dec.
Habitat Oak or pine woodlands, roadsides. Slash pine-saw palmetto com­munities.
Elevation 1600–2000 m. (5200–6600 ft.) 0–10 m. (0–0 ft.)
Distribution
from FNA
AZ; Mexico (Chihuahua, Sonora)
[WildflowerSearch map]
[BONAP county map]
from FNA
FL
Discussion

Tephrosia thurberi is similar to T. virginiana but far disjunct and in a different biome. In the flora area, it is restricted to Cochise and Santa Cruz counties in southeastern Arizona.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Tephrosia corallicola is known from Collier and Miami-Dade counties; it has been established by cuttings from a Miami-Dade locality in a nearby, similar habitat (K. Wendelberger, http://www.virtualherbarium.org/GardenViews/TephrosiaAngustissima.html).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 11. FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Tephrosia Fabaceae > subfam. Faboideae > Tephrosia
Sibling taxa
T. angustissima, T. chrysophylla, T. corallicola, T. curtissii, T. florida, T. hispidula, T. leiocarpa, T. lindheimeri, T. mohrii, T. mysteriosa, T. onobrychoides, T. potosina, T. rugelii, T. spicata, T. tenella, T. virginiana
T. angustissima, T. chrysophylla, T. curtissii, T. florida, T. hispidula, T. leiocarpa, T. lindheimeri, T. mohrii, T. mysteriosa, T. onobrychoides, T. potosina, T. rugelii, T. spicata, T. tenella, T. thurberi, T. virginiana
Synonyms Cracca thurberi Cracca corallicola, T. angustissima var. corallicola
Name authority (Rydberg) C. E. Wood: Rhodora 51: 265. (1949) (Small) León: Contr. Ocas. Mus. Hist. Nat. Colegio “De La Salle” 10: 304. (1951)
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