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Texas kidneywood

Habit Shrubs, 1–3(–5) m. Leaves (1–)2–7(–10) cm; leaflets (7–)13–35(–47), blades elliptic to oblong, 3–13 mm, surfaces sparsely to moderately pubescent, abaxially with some glands much larger than others, largest along midvein and margins.
Racemes

3–11(–15) cm.

Flowers

calyx tube 2–4 mm, lobes obtuse to acute, 0.3–0.7 mm;

corolla 5–8 mm;

style with gland near tip.

Legumes

ascending, usually falcate, rarely straight, oblong, 6–13 × 2–3 mm, length more than or equal to 3 times width, flattened near base.

Seeds

filling ca. 2/3 of legume, slightly compressed, oblong-subreniform to falcate-ellipsoid, edges blunt.

2n

= 20.

Eysenhardtia texana

Phenology Flowering Mar–Nov.
Habitat Grasslands, open woodlands, shrublands, semi-desert, mildly disturbed areas.
Elevation 10–1600[–2500] m. (0–5200[–8200] ft.)
Distribution
from FNA
TX; Mexico (Chihuahua, Coahuila, Durango, Guerrero, Hidalgo, México, Nuevo León, Puebla, San Luis Potosí, Tamaulipas, Veracruz)
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Discussion

Eysenhardtia texana is widespread and common in parts of central, southern, and western Texas, particularly in calcareous soils. Stems and leaves of this species apparently have antibacterial and antifungal chemical properties (G. A. Wächter et al. 1999).

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

Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Eysenhardtia
Sibling taxa
E. orthocarpa, E. spinosa
Name authority Scheele: Linnaea 21: 462. (1848)
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