Sphaeralcea munroana |
Sphaeralcea parvifolia |
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Munro's desert-mallow, Munro's globemallow, munroe's globe-mallow, orange globe mallow, white-stem globe-mallow |
small-leaf globemallow, smallflower globemallow |
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Habit | Plants perennial. | Plants perennial. |
Stems | erect, green to gray-green, 2.5–9 dm, gray-green canescent. |
erect, green or gray-green, 1.5–4(–10) dm, white- to yellow-canescent. |
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 to green, ovate, unlobed or weakly 3–5-lobed, 1–5.5 cm, not rugose, base cuneate to cordate, margins entire or crenate to serrate, surfaces stellate-pubescent. |
Inflorescences | narrowly paniculate, crowded, few–many-flowered, flowers in clusters, tip not leafy; involucellar bractlets green to tan. |
paniculate, crowded, flowers clustered with distinct internodes between clusters, tip not leafy; involucellar bractlets usually green to tan, sometimes red-purple. |
Flowers | sepals 4–9 mm, tips forming weak beak in bud; petals red-orange, 11–14 mm; anthers yellow. |
sepals 6–9 mm, tip not forming distinct beak in bud; petals red-orange, 8–14 mm; anthers yellow. |
Seeds | 1 per mericarp, brown, slightly hairy. |
1 per mericarp, gray or 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. |
ellipsoid; mericarps 12, 3.5–5.5 × 1.5–3 mm, chartaceous, nonreticulate dehiscent part 60–70% of height, with or without apical cusp, indehiscent part not wider than dehiscent part. |
2n | = 10, 20. |
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Sphaeralcea munroana |
Sphaeralcea parvifolia |
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Phenology | Flowering spring–summer. | Flowering summer. |
Habitat | Xeric plains and slopes | Dry slopes |
Elevation | 100–2300 m (300–7500 ft) | 1500–2100 m (4900–6900 ft) |
Distribution |
CA; ID; MT; NV; OR; UT; WA; WY; BC
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AZ; CA; CO; NM; NV; UT
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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. 367. |
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 | S. arizonica, S. marginata |
Name authority | (Douglas ex Lindley) Spach: Hist. Nat. Vég. 14: 403. (1847) | A. Nelson: Proc. Biol. Soc. Wash. 17: 94. (1904) |
Web links |
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