|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Malvaceae||View Description||Dichotomous Key|
|Genus: Malva||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Malva arborea (L.) Webb & Berthel.
Habit: Biennial to subshrub, stellate-tomentose. Stem: 1--3 m; base generally woody. Leaf: blade 5--20 cm, cordate, unequally shallowly 5--7(9)-lobed, crenate, densely soft-stellate-hairy especially abaxially. Inflorescence: flowers clustered in leaf axils; involucel > calyx, bractlet free parts +- 8 mm, 5--6 mm wide, ovate to round. Flower: calyx +- 4 mm, not especially larger in fruit, stellate-canescent; petals 1.5--2 cm, rose to lavender with 5 dark veins, base dark purple. Fruit: 8--10 mm diam; segments (6)8(9), +- glabrous to puberulent, ridged on sides, back, outer edges sharp. Seed: +- 3 mm. Chromosomes: 2n=36,40,42,44.
Ecology: Uncommon. Disturbed places on coastal bluffs, dunes; Elevation: < 200 m. Bioregional Distribution: NCo, n CCo, SCo; Distribution Outside California: native to Europe, especially Mediterranean. Flowering Time: Apr--May
Synonyms: Lavatera arborea L.; Malva dendromorpha M.F. Ray superfl.
eFlora Treatment Author: Steven R. Hill
Jepson Online Interchange
Previous taxon: Malva
Next taxon: Malva assurgentiflora
Citation for this treatment: Steven R. Hill 2017. Malva arborea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=88845, accessed on April 26, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 26, 2017.