Jacquemontia agrestis
Fl. Bras. 7: 306. 1869.
Herbs or weak vines, rarely perennial, often delicate, 0.4–1.2 m. Herbage hairy, hairs of 2 types: 1) stellate and 3-armed, 2) simple, stalked-glandular, the latter sometimes absent. Stems slender, erect, prostrate, or scandent. Leaf blades broadly to narrowly ovate, 10–55 × 5–35 mm, base cordate to truncate, apex acuminate. Inflorescences lax, 1–6-flowered; bracts linear, inconspicuous. Flowers: sepals subequal or outers longer than inners, lanceolate to lance-ovate, 3–5 mm; corolla blue, narrowly funnelform to subrotate, 6–12 mm, limb 5-angled. Capsules subglobose, 4–5 mm. Seeds 2–3 mm, outer 2 margins narrowly winged.
Phenology: Flowering Sep–Mar.
Habitat: Canyons.
Elevation: 1000–1300 m.
Distribution
Ariz., Mexico (Baja California, Baja California Sur, Sonora), Central America, South America.
Discussion
Jacquemontia agrestis reaches its northern limit of distribution in Pima County, Arizona.
Selected References
None.