Sphaeralcea munroana

(Douglas ex Lindley) Spach

Hist. Nat. Vég. 14: 403. 1847.

Common names: Munro’s globemallow
Endemic
Basionym: Malva munroana Douglas ex Lindley Edward’s Bot. Reg. 16: plate 1306. 1830
Synonyms: M. creeana Graham Malvastrum munroanum (Douglas ex Lindley) A. Gray Malveopsis munroana (Douglas ex Lindley) Kuntze Nuttallia munroana (Douglas ex Lindley) Nuttall Sphaeralcea munroana subsp. subrhomboidea (Rydberg) Kearney S. munroana var. subrhomboidea (Rydberg) Kearney S. subrhomboidea
Treatment appears in FNA Volume 6. Treatment on page 367. Mentioned on page 358.

Plants perennial. Stems erect, green to gray-green, 2.5–9 dm, gray-green 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. Inflorescences narrowly paniculate, crowded, few–many-flowered, flowers in clusters, 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. 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. Seeds 1 per mericarp, brown, slightly hairy.


Phenology: Flowering spring–summer.
Habitat: Xeric plains and slopes
Elevation: 100–2300 m

Distribution

V6 675-distribution-map.jpg

B.C., Calif., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

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.

Selected References

None.

Lower Taxa

None.

"not wider" is not a number."dm" is not declared as a valid unit of measurement for this property.

... more about "Sphaeralcea munroana"
acute;truncate;acute;truncate +
John La Duke +
(Douglas ex Lindley) Spach +
cuneate +  and truncate +
Malva munroana +
green +  and gray-green +
0 cm0 mm <br />0 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
5-lobed;unlobed;triangular +
asymmetric +  and symmetric +
ovate +  and triangular trullate or cordate unlobed or pedately dissected +
truncate-spheric +, helmet--shaped +, short-urceolate +, ellipsoid +, truncate-ovoid +, spheric +, truncate-conic +, conic +, hemispheric +, flattened-spheric-conic +, flattened-spheric +, ovoid +, cylindric +  and inflated +
indehiscent +  and loculicidal +
Munro’s globemallow +
B.C. +, Calif. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
100–2300 m +
sparse;copious +
thread-like +
pistillate +  and staminate +
in axillary cymose racemes +  and fascicled +
unisexual +  and bisexual +
Xeric plains and slopes +
few-many-flowered +
crowded +  and paniculate +
axillary +  and terminal +
tough-fibrous +
connate +  and distinct +
sessile +  and petiolate +
distichous +  and alternate +
entire +  and serrate +
2-celled +  and 1-celled +
tan +  and brown +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
wedge--shaped +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
3-40-carpellate +
(1-)2-many +
dehiscent +  and indehiscent +
adnate +  and distinct +
1.1 cm11 mm <br />0.011 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
Flowering spring–summer. +
Hist. Nat. Vég. +
reniform +
persistent +
0.4 cm4 mm <br />0.004 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
sessile +  and subsessile +
gray-green +  and green +
filiform +, linear +  and capitate +
1-2 times number of carpels +
deciduous +  and persistent +
unbranched +  and branched +
stellate-pubescent +
M. creeana +, Malvastrum munroanum +, Malveopsis munroana +, Nuttallia munroana +, Sphaeralcea munroana subsp. subrhomboidea +, S. munroana var. subrhomboidea +  and S. subrhomboidea +
Sphaeralcea munroana +
Sphaeralcea +
species +
monoecious +, dioecious +  and hermaphroditic +