The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Arizona yellowhood

Stems

prostrate, to 1.2 m, moderately white-pubescent and glandular-setose.

Leaves

0.5–6 cm;

stipules deltate-ovate, 5–7 × 1–2.5 mm;

leaflets 5, usually folded when dry, axis recurved, blades orbiculate to elliptic, 4–20 × 4–22 mm, base obtuse to subcordate, apex obtuse to emarginate, mucronulate, surfaces puberulent to glabrate abaxially, glabrous adaxially.

Inflorescences

1–5-flowered, fasciculate.

Pedicels

3–20 mm.

Flowers

calyx (3–)4–5 mm, puberulent and setose;

tube (2–)3–4 mm × 3 mm;

lobes deltate-subulate, 1 mm;

corolla (8–)10–15 mm.

Seeds

5 × 3 mm.

Loments

2–5-segmented, 20–40 mm, pubescent to glabrate;

fertile segments 7–10 × 3–7 mm, sterile segment 6–11 × 3–7 mm;

stipe 1–2 mm.

Nissolia wislizeni

Phenology Flowering Jul–Aug.
Habitat Open grasslands, mesas, slopes.
Elevation 1500–1600 m. (4900–5200 ft.)
Distribution
from FNA
AZ; Mexico (Aguascalientes, Chihuahua, Durango, Guanajuato, Hidalgo, Jalisco, Oaxaca, Querétaro, San Luis Potosí, Sonora, Zacatecas)
[BONAP county map]
Discussion

Nissolia wislizeni is known from Coconino County in the flora area.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Nissolia
Sibling taxa
N. platycalyx, N. schottii
Synonyms Chaetocalyx wislizeni
Name authority (A. Gray) A. Gray: J. Proc. Linn. Soc., Bot. 5: 25. (1861)
Web links