Aspicarpa hyssopifolia

A. Gray

Boston J. Nat. Hist. 6: 167. 1850.

Treatment appears in FNA Volume 12. Treatment on page 364. Mentioned on page 363.
Please click on the illustration for a higher resolution version.
Illustrator: Karin Douthit

Copyright: University of Michigan

Plants erect or spreading-ascending, 8–30 cm. Leaves: petioles 0.5 mm; blade narrowly lanceolate, larger blades 10–25 × 2–8 mm, length (2.2–)2.7–7(–8.3) times width, base rounded, apex acute or slightly obtuse, surfaces thinly sericeous to glabrescent, hairs persisting longest on margins and abaxial midrib. Chasmogamous flowers borne singly in axils of full-sized leaves; petals lemon yellow, outermost sometimes with red blotch; staminodes shorter than fertile stamens, ± hidden by sepals. Cleistogamous flowers sessile or subsessile in axils of full-sized leaves, sometimes absent. Nutlet 2.5–3 mm diam., rugose or bearing toothlike protuberances, dorsal crest 0.5–1 mm, coarsely toothed, extended forward 1.5–2 mm. 2n = 80.

Phenology: Flowering and fruiting Apr–Nov.
Habitat: Brushy, dry, calcareous slopes.
Elevation: 50–900 m.


V12 843-distribution-map.jpg

Tex., Mexico (Coahuila, Nuevo León, Tamaulipas).


In the flora area, Aspicarpa hyssopifolia is found only in southern and western Texas.

Selected References


Lower Taxa