Amoreuxia wrightii

A. Gray
Smithsonian Contr. Knowl. 5(6): 26. 1853.
Common names: Wright´s yellowshow
Illustrated
Treatment appears in FNA Volume 6. Treatment on page 378. Mentioned on page 379.

Stems 15–50 cm, glabrous or sparsely lanulose-puberulent (mostly on young growth), glandular. Leaves: petiole 3–8 cm, subglabrous to sparsely lanulose-puberulent (mostly on young growth), glandular; blade 5(7)-lobed, 3–5 × 4–7 cm, lobes subrhombic, distal half of margins serrate, apex rounded to acute, tooth of central lobe apex most distal. Peduncles 2.5–5 cm. Flowers 3–7.5 cm diam.; sepals narrowly oblong-ovate, 17–20 × 5–8 mm, apex acute; petals pinkish to orange, distal petals with 2 conspicuous purplish marks at bases, lateral petals each with 1 purplish mark at base; distal set of filaments 5–10 mm with yellow anthers, proximal set of filaments 11–17 mm with usually dark red anthers; ovary usually short-haired-lanate to tomentose or puberulent (glandular). Capsules oblong-obovoid, 3–6 cm, sparsely pubescent (glandular). Seeds globose to ovoid, glabrous. 2n = 12.


Phenology: Flowering May–Jul(–Oct).
Habitat: Dry, rocky or gravelly hills, plains, deserts, grasslands, shrublands, along roads or railroads, limestone soil, silty flats
Elevation: 0–400 m

Distribution

V6 700-distribution-map.jpg

Tex., Mexico, West Indies (Curaçao), South America (Peru).

Discussion

Amoreuxia wrightii is morphologically homogeneous throughout its disjunct range (H. H. Poppendieck 1981).

Selected References

None.

Lower Taxa

None.

... more about "Amoreuxia wrightii"
Susannah B. Johnson-Fulton +  and Linda E. Watson +
A. Gray +
Wright´s yellowshow +
Tex. +, Mexico +, West Indies (Curaçao) +  and South America (Peru). +
0–400 m +
Dry, rocky or gravelly hills, plains, deserts, grasslands, shrublands, along roads or railroads, limestone soil, silty flats +
Flowering May–Jul(–Oct). +
Smithsonian Contr. Knowl. +
Illustrated +
Amoreuxia wrightii +
Amoreuxia +
species +