Abutilon reventum S. Wats.
Family: Malvaceae
Yellow-Flower Indian-Mallow,  more...
Abutilon reventum image

Plant: subshrub or robust herb; to 2 m tall, the stems reddish, obscurely glandular-puberulent to glabrate

Leaves: broadly rotund-ovate, 8-10(-20) cm long, obscurely serrulate, softly pubescent, strongly discolorous

INFLORESCENCE: an ample terminal panicle rising above the leaves

Flowers: calyx 3-6 mm long; petals 9-15 mm long; staminal column 3 mm long, glabrous; styles ca. 10

Fruit: FRUITS schizocarp, exceeding the calyx, globose, 7-10 mm diameter; mericarps ca. 10, apically obtuse; SEEDS 2.5-3 mm long, sparsely scabridulous in a reticulate pattern

Misc: Open habitats along waterways; 900-1200 m (3000-4000 ft); Aug-Nov

REFERENCES: Fryxell, Paul A. 1994. Malvaceae. J. Ariz. - Nev. Acad. Sci. Volume 27(2), 222-236.

Fryxell 1993

Duration: Perennial

Nativity: Native

Lifeform: Subshrub

General: Subshrub to robust herb reaching 2 m tall with stems that are reddish and obscurely glandular-puberulent to glabrate.

Leaves: Alternate, broadly round ovate, 8-10 cm long, obscurely serrulate, softly pubescent, strongly bicolored.

Flowers: In terminal panicle that rises above the leaves bearing many flowers, these with calyx 3-6 mm long, the petals 9-15 mm long, pale yellow, the staminal column 3 mm, glabrous.

Fruits: Exceed the calyx, globose 7-10 mm in diameter, with about 10 mericarps that are apically obtuse.

Ecology: Found in open habitats along waterways from 3,000-4,000 ft (914-1219 m), flowers August-November.

Distribution: s AZ; south to c MEX.

Notes: Distinguished among the Abutilon by the soft pubescent stems; the leaf blades nearly as long as wide, which are strongly discolorous, gray-green on the bottom and darker green on top; fruits bearing 10 mericarps and a calyx that is roughly half to one-third the size as that in A. palmeri, the most similar species.

Ethnobotany: Unknown

Etymology: Abutilon is from the Arabic word for a mallow-like plant, while reventum means repeat or come again.

Synonyms: None

Editor: SBuckley 2011, FSCoburn 2015