Herbs, sometimes somewhat suffrutescent, (0.5–) 0.8–6 (10) dm. Stems usually erect, some­­times laxly so (rarely pro­cumbent), hairs incurved (rarely glabrate). Leaves: blade ovate, elliptic, spatulate, or linear proximally, to elliptic, lanceolate, or linear distally (often longer than proximal ones), 4–45 (–65) × 1.5–4 (–6) mm, base usually acute, sometimes cuneate or obtuse, apex acute to acuminate or obtuse, surfaces not translucent-punctate, hairs incurved. Inflorescences terminal or leaf-opposed, racemes, loose, 2–12 × 0.9–1.4 cm; peduncle 0.5–1.5 cm; bracts linear to narrowly ovate. Pedicels 1–5 mm, pubescent. Flowers purplish, wings rarely yellow, keel distally yellow or yellowish green, 3.5–6 mm; sepals lanceolate, 2.2–3.5 mm; wings ovate to suborbiculate, 3.5–5.5 × 2.4–4 mm, sparsely pubescent; keel 4–5.7 mm, pubescent. Capsules oblong, oblong-ovoid, broadly ellipsoid, or subglobose, 5–10 (–11) ×4–7 mm, not translucent-punctate, glabrous and ciliolate, margins sometimes narrowly winged. Seeds 4–4.5 mm; aril 0.6–1 mm, lobes vestigial or to 1/4 length of seed. 2n = 30.

Phenology: Flowering spring–late fall.
Habitat: Gravelly or rocky soils, mostly limestone, or igneous or gypsum, arid or semi-arid scrub, open woodlands, chaparral.
Elevation: 400–2400(–2800) m.

Distribution

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• Legacy Map

Ariz., N.Mex., Tex., Mexico (Coahuila), Mexico (Durango), Mexico (Guanajuato), Mexico (Jalisco), Mexico (Nuevo León), Mexico (Querétaro), Mexico (San Luis Potosí), Mexico (Veracruz), Mexico (Zacatecas)

Discussion

Hebecarpa barbeyana is very similar to 7. H. rectipilis; see that species for comments.

Selected References

None.

Lower Taxa

None.