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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

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.

Sphaeralcea munroana

Sphaeralcea wrightii

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
from FNA
CA; ID; MT; NV; OR; UT; WA; WY; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM; TX; Mexico (Chihuahua)
[WildflowerSearch map]
[BONAP county map]
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.)

Source FNA vol. 6, p. 367. FNA vol. 6, p. 369.
Parent taxa Malvaceae > subfam. Malvoideae > Sphaeralcea Malvaceae > subfam. Malvoideae > Sphaeralcea
Sibling taxa
S. ambigua, S. angustifolia, S. caespitosa, S. coccinea, S. coulteri, S. digitata, S. emoryi, S. fendleri, S. fumariensis, S. gierischii, S. grossulariifolia, S. hastulata, S. incana, S. laxa, S. leptophylla, S. lindheimeri, S. moorei, S. orcuttii, S. parvifolia, S. pedatifida, S. polychroma, S. procera, S. psoraloides, S. rusbyi, S. wrightii
S. ambigua, S. angustifolia, S. caespitosa, S. coccinea, S. coulteri, S. digitata, S. emoryi, S. fendleri, S. fumariensis, S. gierischii, S. grossulariifolia, S. hastulata, S. incana, S. laxa, S. leptophylla, S. lindheimeri, S. moorei, S. munroana, S. orcuttii, S. parvifolia, S. pedatifida, S. polychroma, S. procera, S. psoraloides, S. rusbyi
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)
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