Abutilon malacum

S. Watson

Proc. Amer. Acad. Arts 21: 446. 1886

Treatment appears in FNA Volume 6. Treatment on page 224. Mentioned on page 221.
Herbs or subshrubs, usually perennial, to 1 m. Stems erect, minutely stellate-tomentulose, hairs yellowish. Leaves: stipules subulate, 5–9 mm; petiole 1 / 2 to as long as blade; blade concolorous, suborbiculate to ovate, 3–7 cm, ± as long as wide, base cordate, margins sharply serrate, apex acuminate, surfaces minutely tomentulose, obscured by pubescence. Inflorescences terminal, compact panicles. Flowers: calyx 6–8 mm, lobes not overlapping, erect in fruit, lanceolate-ovate; corolla rotate, yellow throughout, petals 9–15 mm; staminal column pubescent; style 5-branched. Schizocarps ± cylindric, 6–7 × 6–7 mm; mericarps: apex usually acute, surface coarsely stellate-pubescent. Seeds 3 per mericarp, 2 mm, puberulent but appearing glabrous. 2n = 14.

Phenology: Flowering summer.
Habitat: Arid habitats, hillsides, plains, canyons
Elevation: 300–1500 m

Distribution

V6 396-distribution-map.jpg

Ariz., N.Mex., Tex., Mexico (Chihuahua, Coahuila, Durango, San Luis Potosí, Sonora, Zacatecas).

Discussion

Abutilon malacum is found in southwestern Arizona, southwestern New Mexico, and the Big Bend area of Texas.

References

None.

Lower Taxa

No lower taxa listed.