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FNA | Family List | FNA Vol. 6 | Malvaceae | Abutilon

1. Abutilon abutiloides (Jacquin) Garcke ex Hochreutiner, Annuaire Conserv. Jard. Bot. Genève. 6: 22. 1902.

Sida abutiloides Jacquin, Observ. Bot. 1: 17, plate 7. 1764; Abutilon lignosum (Cavanilles) G. Don

Subshrubs, to 1.5 m. Stems erect, roughly stellate-pubescent, without glandular hairs. Leaves: stipules subulate, 6–8 mm; petiole usually shorter than blade; blade slightly discolorous, ovate, 2–10 cm, longer than wide, base truncate to cordate, margins obscurely to prominently crenateserrate, apex usually acuminate, surfaces roughly pubescent. Inflorescences solitary flowers or racemose panicles. Flowers: calyx 9–12 mm, basally truncate, lobes basally overlapping, erect in fruit, acuminate, to 8 mm wide; corolla rotate, orange-yellow throughout, petals 10–12 mm; staminal column pubescent; style 8–10-branched. Schizocarps ± ovoid, 9–14 × 10–16 mm; mericarps: apex acuminate, surface uniformly stellate-pubescent and with simple hairs on abaxial margins. Seeds 3 per mericarp, 3 mm, reticulately scabridulous. 2n = 28.

Flowering year-round. Open, arid habitats; 0–1000 m; Ariz., Tex.; Mexico; West Indies (Bahamas, Cuba, Hispaniola, Jamaica).

Abutilon abutiloides has been confused with A. californicum Bentham and A. berlandieri; the three species are distinct (P. A. Fryxell 1988). It is found in extreme southern Texas and more commonly in west-central and southeastern Arizona.


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