Abutilon malacum

S. Watson

Proc. Amer. Acad. Arts 21: 446. 1886.

Treatment appears in FNA Volume 6. Treatment on page 224. Mentioned on page 221.

Herbs or subshrubs, usually perennial, to 1 m. Stems erect, minutely stellate-tomentulose, hairs yellowish. Leaves: stipules subulate, 5–9 mm; petiole 1 / 2 to as long as blade; blade concolorous, suborbiculate to ovate, 3–7 cm, ± as long as wide, base cordate, margins sharply serrate, apex acuminate, surfaces minutely tomentulose, obscured by pubescence. Inflorescences terminal, compact panicles. Flowers: calyx 6–8 mm, lobes not overlapping, erect in fruit, lanceolate-ovate; corolla rotate, yellow throughout, petals 9–15 mm; staminal column pubescent; style 5-branched. Schizocarps ± cylindric, 6–7 × 6–7 mm; mericarps: apex usually acute, surface coarsely stellate-pubescent. Seeds 3 per mericarp, 2 mm, puberulent but appearing glabrous. 2n = 14.


Phenology: Flowering summer.
Habitat: Arid habitats, hillsides, plains, canyons
Elevation: 300–1500 m

Distribution

V6 396-distribution-map.jpg

Ariz., N.Mex., Tex., Mexico (Chihuahua), Mexico (Coahuila), Mexico (Durango), Mexico (San Luis Potosí), Mexico (Sonora), Mexico (Zacatecas)

Discussion

Abutilon malacum is found in southwestern Arizona, southwestern New Mexico, and the Big Bend area of Texas.

Selected References

None.

Lower Taxa

None.

"wide" is not a number.

... more about "Abutilon malacum"
tomentulose +
Paul A. Fryxell† +  and Steven R. Hill +
S. Watson +
tomentulose +
concolorous +
acuminate +, cordate +, suborbiculate +  and ovate +
3 cm30 mm <br />0.03 m <br /> (7 cm70 mm <br />0.07 m <br />) +
not inflated +
not accrescent +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
indehiscent +  and loculicidal +
Ariz. +, N.Mex. +, Tex. +, Mexico (Chihuahua) +, Mexico (Coahuila) +, Mexico (Durango) +, Mexico (San Luis Potosí) +, Mexico (Sonora) +  and Mexico (Zacatecas) +
300–1500 m +
sparse;copious +
pistillate +  and staminate +
unisexual +  and bisexual +
not setose +  and hairy +
cylindric +, cask--shaped +, oblate +, ovoid +, globose +  and not inflated +
Arid habitats, hillsides, plains, canyons +
axillary +  and terminal +
tough-fibrous +
connate +  and distinct +
simple +, stipulate +, sessile +, subsessile +  and petiolate +
distichous +  and alternate +
lanceolate-ovate +
entire +  and serrate +
tomentulose +
wedge--shaped +
3-40-carpellate +
adnate +  and distinct +
0.9 cm9 mm <br />0.009 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Flowering summer. +
Proc. Amer. Acad. Arts +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
glabrous +  and puberulent +
scabridulous +
turbinate +
persistent +
sessile +  and subsessile +
exserted +  and included +
filiform +, linear +  and capitate +
1-2 times number of carpels +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
stellate-pubescent +  and tomentulose +
Mallow +
Abutilon malacum +
Abutilon +
species +
subshrub +  and herb +
monoecious +, dioecious +  and hermaphroditic +