Sphaeralcea psoraloides

S. L. Welsh

Great Basin Naturalist 40: 36. 1980.

Common names: Psoralea globemallow
Conservation concernEndemic
Treatment appears in FNA Volume 6. Treatment on page 368. Mentioned on page 358, 369.

Plants perennial. Stems erect, yellow-green, 1.4–2 (–3) dm, stellate-canescent. Leaf-blades yellow-green, triangular to deltate, usually 3- (or 5-) lobed, lobes unlobed or broadly oblanceolate, 1.3–3.5 cm, not rugose, base cuneate (-truncate), margins entire, surfaces sparsely stellate-canescent. Inflorescences racemose, open, flowers usually 1 per node, tip leafy; involucellar bractlets tan. Flowers: sepals 4.5–8 mm; petals red-orange, 10–17 mm; anthers yellow. Schizocarps flattened-hemispheric; mericarps 9–13, 2–2.5 × 2 mm, chartaceous, nonreticulate dehiscent part 10–15% of height, tip acute, indehiscent part wider than dehiscent part, sides reticulate. Seeds 1 per mericarp, dark-brown to black, glabrous or pubescent.


Phenology: Flowering spring–summer.
Habitat: Clay or gravel soil
Elevation: 1200–1900 m

Discussion

Sphaeralcea psoraloides resembles S. coccinea but has markedly greenish, simply-lobed leaves; it occurs in Emery, Grand, and Wayne counties.

Of conservation concern.

Selected References

None.

Lower Taxa

None.

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

... more about "Sphaeralcea psoraloides"
acute;truncate;acute;truncate +
John La Duke +
S. L. Welsh +
cuneate +
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 +
Psoralea globemallow +
1200–1900 m +
sparse;copious +
thread-like +
pistillate +  and staminate +
in axillary cymose racemes +  and fascicled +
unisexual +  and bisexual +
Clay or gravel soil +
axillary +  and terminal +
tough-fibrous +
connate +  and distinct +
3-lobed +, triangular +  and deltate +
sessile +  and petiolate +
distichous +  and alternate +
not rugose +
oblanceolate +  and unlobed +
crenate;serrate +
2-celled +  and 1-celled +
tan +  and brown +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
wedge--shaped +
2 cm20 mm <br />0.02 m <br /> (?) +
3-40-carpellate +
(1-)2-many +
dehiscent +  and indehiscent +
adnate +  and distinct +
1 cm10 mm <br />0.01 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Flowering spring–summer. +
Great Basin Naturalist +
flattened-hemispheric +
dark-brown +  and black +
pubescent +  and glabrous +
reniform +
persistent +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Conservation concern +  and Endemic +
sessile +  and subsessile +
yellow-green +
stellate-canescent +
filiform +, linear +  and capitate +
1-2 times number of carpels +
deciduous +  and persistent +
unbranched +  and branched +
stellate-canescent +
Mallow +
Sphaeralcea psoraloides +
Sphaeralcea +
species +
monoecious +, dioecious +  and hermaphroditic +