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|Family: Malvaceae||View Description||Dichotomous Key|
|Genus: Hibiscus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Hibiscus lasiocarpos Cav. var. occidentalis (Torr.) A. Gray
Habit: Perennial herb, subshrub from caudex, generally rhizomed, hairy. Stem: many from base, prostrate to erect, 1--2 m. Leaf: petiole to 10 cm; blade 6--10 cm, cordate, shallowly 3--5-lobed or entire, toothed, acuminate; +- densely stellate-hairy abaxially, adaxially; stipules 1--4 mm. Inflorescence: flowers 1 in leaf axils; flowering stalks 1--8 cm; bractlets 10, +- 2.5 cm, free +- to base, >= calyx in bud, flower, forming beak in bud, > calyx in fruit. Flower: calyx 2.5--3 cm, bell-shaped, sepals fused 1/2, veiny in fruit; petals 6--10 cm, white with rose-red center. Fruit: 2.5--3 cm, filling calyx, +- spheric to short-cylindric, stellate-hairy. Seed: +- 3 mm, spheric, glabrous. Chromosomes: 2n=38.
Ecology: Freshwater wetlands, wet banks, marshes; Elevation: < 100 m. Bioregional Distribution: CaRF, c&s ScV, deltaic GV. Flowering Time: Jul--Nov Note: Threatened by riverbank alteration; rest of sp. (typical var.) no nearer California than northwestern Mexico, New Mexico.
Synonyms: Hibiscus californicus Kellogg; Hibiscus lasiocarpos var. californicus (Kellogg) L.H. Bailey; Hibiscus moscheutos L. var. occidentalis Torr.; Hibiscus lasiocarpus Cav., orth. var.
Unabridged Note: Distinguished from Hibiscus lasiocarpos Cav. var. lasiocarpos (nearest localities in northwestern Mexico, New Mexico) by smaller leaves, clonal-rhizomed habit, less hardiness.
eFlora Treatment Author: Steven R. Hill
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Hibiscus denudatus
Next taxon: Hibiscus trionum
Citation for this treatment: Steven R. Hill 2016. Hibiscus lasiocarpos var. occidentalis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=91751, accessed on September 27, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on September 27, 2016.