Sphaeralcea rusbyi

A. Gray

Proc. Amer. Acad. Arts 22: 293. 1887.

Common names: Rusby’s globemallow
Endemic
Treatment appears in FNA Volume 6. Treatment on page 369. Mentioned on page 359.

Plants perennial. Stems erect, gray-green to purple, 3–6 dm, sparsely pubescent. Leaf-blades light green, sometimes with purple margins, triangular to broadly ovate, pedately divided or 3–5-lobed, 1.5–5 cm, not rugose, base truncate to cordate, margins entire, surfaces sparsely stellate-pubescent. Inflorescences paniculate, crowded, few-flowered per node, tip ± leafy; involucellar bractlets red to purple. Flowers: sepals sometimes red or purple, 6–15 mm, lobes equaling to 3 times tube length; petals red-orange, 10–20 mm; anthers usually red to purple, sometimes yellow. Schizocarps truncate-spheric; mericarps 13, 4.5–6 × 2–2.5 mm, chartaceous, nonreticulate dehiscent part 55–80% of height, tip acute, indehiscent part not wider than dehiscent part. Seeds 1 or 2 per mericarp, black-gray, glabrous or pubescent.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Sepals 6–10 mm, lobes deltate; calyx length ± equaling fruit. Sphaeralcea rusbyi var. rusbyi
1 Sepals 13–15 mm, lobes elongate; calyx length 2 times fruit. Sphaeralcea rusbyi var. eremicola

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

... more about "Sphaeralcea rusbyi"
yellow +, usually red +  and purple +
acute;truncate;acute;truncate +
John La Duke +
A. Gray +
truncate +  and cordate +
1.5 cm15 mm <br />0.015 m <br /> (5 cm50 mm <br />0.05 m <br />) +
triangular;broadly ovate pedately divided or 3-5-lobed +
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 +
Rusby’s globemallow +
Ariz. +, Calif. +  and Utah +
sparse;copious +
thread-like +
pistillate +  and staminate +
in axillary cymose racemes +  and fascicled +
unisexual +  and bisexual +
crowded +  and paniculate +
axillary +  and terminal +
tough-fibrous +
connate +  and distinct +
sessile +  and petiolate +
distichous +  and alternate +
crenate;serrate +
2-celled +  and 1-celled +
tan +  and brown +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
wedge--shaped +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
3-40-carpellate +
(1-)2-many +
dehiscent +  and indehiscent +
adnate +  and distinct +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Proc. Amer. Acad. Arts +
truncate-spheric +
black-gray +
pubescent +  and glabrous +
reniform +
persistent +
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
sessile +  and subsessile +
gray-green +  and purple +
filiform +, linear +  and capitate +
1-2 times number of carpels +
deciduous +  and persistent +
unbranched +  and branched +
stellate-pubescent +
Mallow +
Sphaeralcea rusbyi +
Sphaeralcea +
species +
monoecious +, dioecious +  and hermaphroditic +