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|Jepson eFlora: Taxon page
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|Family: Malvaceae||View Description||Dichotomous Key|
|Genus: Alcea||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Alcea rosea L.
Stem: generally 1--2.5 m, generally unbranched, pithy; stellate-hairy, +- glabrous in age. Leaf: blade generally 7--15(20) cm, cordate or ovate to +- round, weakly palmate-5--7-lobed, stellate-hairy. Inflorescence: generally dense, generally branched in age; bracts generally not leaf-like; bractlets 6--9, <= sepals, widely triangular, fused at base. Flower: +- sessile, 8--10(12) cm diam; calyx tomentose; stigmas generally 20--40. Fruit: disk-like; segments 20--40, +- 6 mm, horseshoe-shaped, thin, flat, back channeled, winged, hairy. Chromosomes: 2n=42.
Ecology: Uncommon. Disturbed places; Elevation: especially < 1100 m. Bioregional Distribution: SnFrB, SW; Distribution Outside California: perhaps native to Asia Minor. Flowering Time: Jun--Aug Note: Occasionally escaped from cultivation.
Synonyms: Althaea rosea (L.) Cav.
eFlora Treatment Author: Steven R. Hill
Jepson Online Interchange
Previous taxon: Alcea
Next taxon: Alyogyne
Citation for this treatment: Steven R. Hill 2017. Alcea rosea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=12392, accessed on January 19, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 19, 2017.