The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Munro's desert-mallow, Munro's globemallow, munroe's globe-mallow, orange globe mallow, white-stem globe-mallow

juniper globemallow, palmate globemallow, slippery globemallow

Habit Plants perennial. Plants perennial.
Stems

erect, green to gray-green, 2.5–9 dm, gray-green canescent.

decumbent to erect, green to gray-green, (1–)3–4(–5.5) dm, sparsely pubescent.

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 green to gray-green, wide-triangular, 3-lobed or pedately divided, (0.5–)1.5–2.5(–4) cm, not rugose, base cuneate, margins entire, surfaces stellate-pubescent.

Inflorescences

narrowly paniculate, crowded, few–many-flowered, flowers in clusters, tip not leafy;

involucellar bractlets green to tan.

racemose, flowers solitary or proximal nodes 2- or 3-flowered, tip ± leafless;

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 3.5–8 mm;

petals red-orange, 8–14 mm;

anthers purple.

Seeds

1 per mericarp, brown, slightly hairy.

1(or 2) per mericarp, brown or black, glabrous or 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.

cylindric to widely conic;

mericarps 9–13, 3–5 × 2–2.5 mm, thickish, chartaceous, nonreticulate dehiscent part 50–60% of height, tip muticous to short-cuspidate, indehiscent part not wider than dehiscent part, sides finely, not highly reticulate.

2n

= 10.

Sphaeralcea munroana

Sphaeralcea digitata

Phenology Flowering spring–summer. Flowering spring–summer.
Habitat Xeric plains and slopes Diverse substrates including gypsum, desert scrub
Elevation 100–2300 m (300–7500 ft) 1200–2200 m (3900–7200 ft)
Distribution
from FNA
CA; ID; MT; NV; OR; UT; WA; WY; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM; TX; UT; Mexico (Chihuahua, Sonora)
[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. 363.
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. 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, S. wrightii
Synonyms Malva munroana, M. creeana, Malvastrum munroanum, Malveopsis munroana, Nuttallia munroana, S. munroana subsp. subrhomboidea, S. munroana var. subrhomboidea, S. subrhomboidea Malvastrum digitatum, S. digitata var. angustiloba, S. digitata subsp. tenuipes, S. digitata var. tenuipes, S. pedata var. angustiloba, S. tenuipes
Name authority (Douglas ex Lindley) Spach: Hist. Nat. Vég. 14: 403. (1847) (Greene) Rydberg: Bull. Torrey Bot. Club 40: 58. (1913)
Web links