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|Jepson eFlora: Taxon page
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|Family: Malvaceae||View Description||Dichotomous Key|
|Genus: Sidalcea||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Sidalcea gigantea G.L. Clifton et al.
Habit: Perennial herb matted in patches; rhizomes to 40--60 cm, (0.5)1 cm diam; bristles 2.5 mm, reflexed, in age 0. Stem: erect, (1)1.5--2(2.5) m, diam 10--14 mm, occasionally glaucous, generally +- purple, hollow below, densely coarsely bristly, hairs 1.5--2 mm, reflexed, stellate hairs few above. Leaf: basal generally 0, cauline gradually reduced upward, stellate-puberulent; petioles below generally 10--14 cm, tip curved with swollen part 5--6 mm; blades below (6.5)11--12 cm, 10--13 cm wide, lowest rounded, 4--5-lobed, upper deeply 5-lobed; stipules deciduous (3.5)5 mm, +- 0.7 mm wide. Inflorescence: spike-like raceme, in panicle or not, 14--18 cm, glaucous, sparsely stellate-hairy, flowers 10--20, spaced; bracts +- >= flowering stalks; flowering stalks 2(5) mm, stout, stellate-canescent. Flower: pistillate or bisexual, on separate plants; calyx 5--6 mm, to 8 mm in fruit, densely stellate-puberulent, faint-veined; petals pale pink, pistillate 7--9 mm, bisexual 10--17(25) mm; filament tube 5.5--8 mm. Fruit: segments (6)7--8, +- 3 mm, back, outer edges net-veined-honeycombed, back grooved, top sparsely glandular-stellate-puberulent, beak +- 1 mm, tip puberulent. Seed: +- 1.5 mm, dark brown, smooth, glabrous.
Ecology: Moist to wet forested slopes, seeps, stream margins, meadows, mid to upper conifer forest; Elevation: (640)900--1650 m. Bioregional Distribution: CaRH, n SNH. Flowering Time: Jul--Sep
Unabridged Note: Confused with Sidalcea celata, Sidalcea asprella; needs study. Plants in drier or more disturbed areas sometimes short; most large patches clonal; expanded author citation: Sidalcea gigantea G.L. Clifton, R.E. Buck & S.R. Hill
eFlora Treatment Author: Steven R. Hill
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Sidalcea elegans
Next taxon: Sidalcea glaucescens
Citation for this treatment: Steven R. Hill 2017. Sidalcea gigantea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=91699, accessed on March 30, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 30, 2017.