Flora of North America species comparison

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Abutilon parvulum

Abutilon hulseanum

dwarf abutilon, dwarf Indian mallow, little abutilon

mauve
Habit Herbs or subshrubs, perennial, usually to 0.5 m. Stems trailing, minutely stellate-pubescent and sometimes with simple hairs 1 mm. Herbs or subshrubs, perennial, 1–2 m. Stems erect, stellate-tomentulose and with simple hairs 2–4 mm.
Leaves

stipules subulate, 2–4 mm;

petiole 1/2 to as long as blade;

blade concolorous, broadly ovate, to 5 cm, length ± equaling width, base cordate, margins coarsely dentate, apex acute, surfaces sparsely pubescent, visible through pubescence.

stipules filiform, 8 mm;

petiole subequal to blade;

blade ± discolorous, ovate, mostly 6–10 cm, longer than wide, base cordate, margins crenate, apex rounded-acute, surfaces softly tomentulose.
Inflorescences

axillary, solitary flowers.

solitary flowers.
Flowers

calyx 3–5 mm, lobes not overlapping, reflexed in fruit, ovate;

corolla ± pinkish throughout, petals 4–7 mm;

staminal column glabrous;

style 5-branched.

calyx 12–15 mm, lobes basally overlapping, erect, cordate, accrescent to 15–20 mm;

corolla yellowish throughout, fading pinkish, petals 20 mm;

staminal column glabrous;

style 12-branched.
Seeds

3 per mericarp, 2 mm, puberulent.

4–6 per mericarp, 2 mm, puberulent.
Schizocarps

± ovoid, 8–9 × 8–9 mm;

mericarps: apex acute or apiculate, minutely stellate-pubescent.

± oblate, 12–15 × 20–25 mm;

mericarps: apex apiculate, surface prominently hirsute, hairs 1–2 mm.
2n

= 14.

= 14.

Abutilon parvulum

Abutilon hulseanum
Phenology Flowering spring–fall. Flowering winter–spring.
Habitat Dry, open habitats Roadsides, disturbed sites, secondary vegetation
Elevation 500–1500 m (1600–4900 ft) 0–100 m (0–300 ft)
Distribution
from FNA
AZ; CA; CO; NM; NV; TX; UT; Mexico (Baja California, Chihuahua, Coahuila, Sonora, Tamaulipas)
[WildflowerSearch map]
[BONAP county map]
from FNA
FL; LA; TX; Mexico; West Indies
[BONAP county map]
Discussion

Abutilon parvulum is an inconspicuous plant and thus not often collected. It has trailing branches, uncommon in Abutilon.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Plants of Abutilon hulseanum are sometimes misidentified as A. pauciflorum A. Saint-Hilaire, which is known only from Bolivia, Brazil, Paraguay, and Peru.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 6, p. 226. FNA vol. 6, p. 223.
Parent taxa Malvaceae > subfam. Malvoideae > Abutilon Malvaceae > subfam. Malvoideae > Abutilon
Sibling taxa
A. abutiloides, A. berlandieri, A. coahuilae, A. fruticosum, A. hirtum, A. hulseanum, A. hypoleucum, A. incanum, A. malacum, A. mollicomum, A. palmeri, A. parishii, A. permolle, A. reventum, A. theophrasti, A. trisulcatum, A. wrightii
A. abutiloides, A. berlandieri, A. coahuilae, A. fruticosum, A. hirtum, A. hypoleucum, A. incanum, A. malacum, A. mollicomum, A. palmeri, A. parishii, A. parvulum, A. permolle, A. reventum, A. theophrasti, A. trisulcatum, A. wrightii
Synonyms Sida hulseana
Name authority A. Gray: Smithsonian Contr. Knowl. 3(5): 21. (1852) (Torrey & A. Gray) Torrey ex Baker f.: J. Bot. 30: 328. (1892)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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