Sidastrum

Baker f.

J. Bot. 30: 137. 1892.

Etymology: Generic name Sida and Latin -astrum, resembling
Treatment appears in FNA Volume 6. Treatment on page 356. Mentioned on page 215, 217.
Revision as of 11:36, 30 July 2020 by imported>Volume Importer
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 TaxonIllustrator 
FNA6 P40 Sidalcea oregana.jpegSidalcea oregana subsp. spicata
Sidastrum paniculatum
Sphaeralcea angustifolia var. oblongifolia
Linny Heagy
Linny Heagy
Linny Heagy

Shrubs [subshrubs]. Stems erect, ± stellate-hairy, not viscid. Leaves spirally arranged, petiolate or subsessile; stipules persistent, subulate; blade ovate or lanceolate [elliptic], not dissected or parted, base truncate or subcordate [rounded], margins dentate [serrate or crenate], surfaces stellate-hairy. Inflorescences terminal panicles [solitary flowers or racemes]; involucel absent. Flowers: calyx not accrescent, not inflated, not completely enclosing fruit, lobes cupuliform, unribbed; corolla reflexed [rotate], purple [white, yellow, or orange]; staminal column ± included; style 5 [–10] -branched; stigmas capitate. Fruits schizocarps, erect, not inflated, oblate to conic, not indurate, often stellate-hairy; mericarps 5 [–10], 1-celled, without dorsal spurs or endoglossum, smooth or weakly reticulate, lateral walls firm, not evanescent, essentially indehiscent. Seeds 1 per mericarp, glabrous [subglabrous, sparsely hairy]. x = 16.

Distribution

Tex., Mexico, West Indies, Central America, South America, Africa, not in saline habitats

Discussion

Species 7 (1 in the flora).

Selected References

None.

... more about "Sidastrum"
Paul A. Fryxell† +  and Steven R. Hill +
Baker f. +
subcordate +  and truncate +
asymmetric +  and symmetric +
parted +, not dissected +, lanceolate +  and ovate +
not inflated +
not accrescent +
indehiscent +  and loculicidal +
Tex. +, Mexico +, West Indies +, Central America +, South America +, Africa +  and not in saline habitats +
sparse;copious +
Generic name Sida and Latin -astrum, resembling +
pistillate +  and staminate +
unisexual +  and bisexual +
oblate +  and conic +
axillary +  and terminal +
tough-fibrous +
connate +  and distinct +
not evanescent +
subsessile +  and petiolate +
cupuliform +
reticulate +, smooth +  and 1-celled +
wedge--shaped +
3-40-carpellate +
(1-)2-many +
adnate +  and distinct +
reniform +
persistent +
sessile +  and subsessile +
not viscid +
stellate-hairy +
filiform +, linear +  and capitate +
1-2 times number of carpels +
5[-10]-branched +
stellate-hairy +
Mallow +
Sidastrum +
Malvaceae subfam. Malvoideae +
monoecious +, dioecious +  and hermaphroditic +