Sphaeralcea munroana |
Sphaeralcea wrightii |
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Munro's desert-mallow, Munro's globemallow, munroe's globe-mallow, orange globe mallow, white-stem globe-mallow |
Wright's globemallow |
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Habit | Plants perennial. | Plants perennial. |
Stems | erect, green to gray-green, 2.5–9 dm, gray-green canescent. |
ascending to erect, gray-green, 2–5(–7.5) dm, canescent to tomentose. |
Leaf | blades green to gray-green, triangular, unlobed or weakly 5-lobed, to 4.5 cm, not rugose, base cuneate to truncate, margins coarsely toothed, surfaces stellate-pubescent. |
blades gray-green, widely ovate or triangular to orbiculate, all but proximalmost deeply pedately divided, (1–)2–4 cm, not rugose, base truncate to cordate, margins entire, surfaces stellate-pubescent. |
Inflorescences | narrowly paniculate, crowded, few–many-flowered, flowers in clusters, tip not leafy; involucellar bractlets green to tan. |
racemose or paniculate, narrow, open, few–many-flowered, tip not leafy; involucellar bractlets green to tan. |
Flowers | sepals 4–9 mm, tips forming weak beak in bud; petals red-orange, 11–14 mm; anthers yellow. |
sepals 6–7 mm, not forming beak; petals lavender, red-orange, or pink, 10–13.5(–18) mm; anthers yellow or purple. |
Seeds | 1 per mericarp, brown, slightly hairy. |
2 per mericarp, black, pubescent. |
Schizocarps | spheric; mericarps 12, 3.5–4 × 2.5–3 mm, chartaceous, nonreticulate dehiscent part 55% of height, tip acute, with reflexed apical cusp, indehiscent part not wider than dehiscent part. |
hemispheric to truncate-conic; mericarps 12–15, 4–7 × 2.5–3 mm, chartaceous, nonreticulate dehiscent part 55–65% of height, with prominent ventral beak, tip acutish, cuspidate, indehiscent part not wider than dehiscent part, sides prominently reticulate. |
2n | = 20. |
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Sphaeralcea munroana |
Sphaeralcea wrightii |
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Phenology | Flowering spring–summer. | Flowering spring. |
Habitat | Xeric plains and slopes | Dry rocky areas |
Elevation | 100–2300 m (300–7500 ft) | 1200 m (3900 ft) |
Distribution |
CA; ID; MT; NV; OR; UT; WA; WY; BC
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AZ; NM; TX; Mexico (Chihuahua)
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Discussion | Sphaeralcea munroana and S. parvifolia are difficult to distinguish and may be conspecific. Sphaeralcea parvifolia is more southern and smaller overall; S. munroana is more northern and more robust. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 6, p. 367. | FNA vol. 6, p. 369. |
Parent taxa | Malvaceae > subfam. Malvoideae > Sphaeralcea | Malvaceae > subfam. Malvoideae > Sphaeralcea |
Sibling taxa | ||
Synonyms | Malva munroana, M. creeana, Malvastrum munroanum, Malveopsis munroana, Nuttallia munroana, S. munroana subsp. subrhomboidea, S. munroana var. subrhomboidea, S. subrhomboidea | |
Name authority | (Douglas ex Lindley) Spach: Hist. Nat. Vég. 14: 403. (1847) | A. Gray: Smithsonian Contr. Knowl. 5(6): 21. (1853) |
Web links |
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