Hebecarpa barbeyana

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.

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

Discussion

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

Selected References

None.

Lower Taxa