Sphaeralcea munroana |
Sphaeralcea ambigua |
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Munro's desert-mallow, Munro's globemallow, munroe's globe-mallow, orange globe mallow, white-stem globe-mallow |
apricot mallow, desert globemallow, desert mallow |
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Habit | Plants perennial. | Plants perennial. | ||||||||
Stems | erect, green to gray-green, 2.5–9 dm, gray-green canescent. |
erect, yellow-green or gray to white, 5–10 dm, yellow-green- or gray- to white-canescent. |
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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. |
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Inflorescences | narrowly paniculate, crowded, few–many-flowered, flowers in clusters, tip not leafy; involucellar bractlets green to tan. |
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Flowers | sepals 4–9 mm, tips forming weak beak in bud; petals red-orange, 11–14 mm; anthers yellow. |
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Seeds | 1 per mericarp, brown, slightly hairy. |
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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. |
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Mericarp | , brown, glabrous or pubescent. |
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Sphaeralcea munroana |
Sphaeralcea ambigua |
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Phenology | Flowering spring–summer. | |||||||||
Habitat | Xeric plains and slopes | |||||||||
Elevation | 100–2300 m (300–7500 ft) | |||||||||
Distribution |
CA; ID; MT; NV; OR; UT; WA; WY; BC
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AZ; CA; NV; UT; nw Mexico
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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.) |
Varieties 4 (3 in the flora). Sphaeralcea ambigua var. versicolor (Kearney) Kearney is known from Baja California. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 6, p. 367. | FNA vol. 6, p. 359. | ||||||||
Parent taxa | Malvaceae > subfam. Malvoideae > Sphaeralcea | Malvaceae > subfam. Malvoideae > Sphaeralcea | ||||||||
Sibling taxa | ||||||||||
Subordinate 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: Proc. Amer. Acad. Arts 22: 292. (1887) | ||||||||
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