Abutilon reventum

S. Watson

Proc. Amer. Acad. Arts 21: 418. 1886

Treatment appears in FNA Volume 6. Treatment on page 226. Mentioned on page 220, 222.
Herbs, annual, or subshrubs, to 2 m. Stems erect, usually reddish or purplish, minutely glandular-pubescent to glabrate, without simple hairs, obscurely viscid. Leaves: stipules lost early and seldom observed, subulate; petiole subequal to blade; blade markedly discolorous, broadly round-ovate, 8–10(–20) cm, ± as long as wide, base deeply cordate, margins obscurely serrulate, apex acuminate, surfaces softly pubescent. Inflorescences terminal panicles. Flowers: calyx 3–6 mm, lobes not overlapping, not reflexed in fruit, lanceolate-ovate, to 8 mm wide; corolla pale yellow throughout, petals 9–15 mm; staminal column glabrous; style 10-branched. Schizocarps globose, 7–10 mm; mericarps: apex rounded or obtuse, stellate-tomentose. Seeds 3 per mericarp, 2.5–3 mm, sparsely reticulately scabridulous.

Phenology: Flowering late summer.
Habitat: Arid hillsides, along water courses
Elevation: 1000–1500 m

Discussion

Abutilon reventum ranges in western Mexico from Chihuahua and Sonora to Oaxaca. It is also found at adjacent sites in Pima County, southern Arizona.

References

None.

Lower Taxa

No lower taxa listed.