Abutilon hirtum

(Lamarck) Sweet

Hort. Brit., 53. 1826. 1826

Introduced
Basionyms: Sida hirta Lamarck in J. Lamarck et al., Encycl. 1: 7. 1783
Treatment appears in FNA Volume 6. Treatment on page 223. Mentioned on page 220, 221.

Herbs, 1 m. Stems erect, puberulent and with simple hairs 2–5 mm, viscid. Leaves: stipules recurved, lanceolate, 7–9 mm; petiole as long as or longer than blade; blade somewhat discolorous, ovate to suborbiculate, 5–7 cm, base cordate, margins finely serrate, apex acuminate, surfaces softly tomentose. Inflorescences solitary flowers or terminal panicles. Flowers: calyx 12–17 mm, lobes not overlapping, erect, ovate; corolla orange-yellow with dark red center, petals 18–20 mm; staminal column pubescent; style 20–25-branched. Schizocarps oblate, 12–14 × 20 mm; mericarps: apex obtuse to acute, surface stellate-hirsute. Seeds 3 per mericarp, 2.4–2.8 mm, minutely scabridulous. 2n = 42.


Phenology: Flowering year-round.
Habitat: Disturbed sites
Elevation: 0–100 m

Distribution

Introduced; Fla., Asia, Africa, Australia, also in Mexico, West Indies (Cuba), West Indies (Lesser Antilles), West Indies (Puerto Rico), Central America, South America (Peru), South America (Venezuela)

Discussion

Abutilon hirtum has been found in Alachua, Lake, Miami-Dade, and Monroe counties, primarily in the Florida Keys. It is native in tropical parts of Africa, Asia, and Australia.

Selected References

None.

Lower Taxa

None.

... more about "Abutilon hirtum"
Paul A. Fryxell† +  and Steven R. Hill +
(Lamarck) Sweet +
cordate +
Sida hirta +
discolorous +
ovate +  and suborbiculate +
5 cm50 mm <br />0.05 m <br /> (7 cm70 mm <br />0.07 m <br />) +
not inflated +
not accrescent +
1.2 cm12 mm <br />0.012 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
indehiscent +  and loculicidal +
orange-yellow +
Fla. +, Asia +, Africa +, Australia +, also in Mexico +, West Indies (Cuba) +, West Indies (Lesser Antilles) +, West Indies (Puerto Rico) +, Central America +, South America (Peru) +  and South America (Venezuela) +
0–100 m +
sparse;copious +
pistillate +  and staminate +
unisexual +  and bisexual +
not setose +  and hairy +
cylindric +, cask--shaped +, oblate +, ovoid +, globose +  and not inflated +
Disturbed sites +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
axillary +  and terminal +
tough-fibrous +
connate +  and distinct +
simple +, stipulate +, sessile +, subsessile +  and petiolate +
distichous +  and alternate +
wedge--shaped +
3-40-carpellate +
adnate +  and distinct +
1.8 cm18 mm <br />0.018 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Flowering year-round. +
Hort. Brit., +
1.2 cm12 mm <br />0.012 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
puberulent +
scabridulous +
turbinate +
2.4mm +  and 2.8mm +
persistent +
Introduced +
sessile +  and subsessile +
exserted +  and included +
filiform +, linear +  and capitate +
1-2 times number of carpels +
lanceolate +
20-25-branched +
stellate-hirsute +  and tomentose +
Mallow +
Abutilon hirtum +
Abutilon +
species +
monoecious +, dioecious +  and hermaphroditic +
1 cm10 mm <br />0.01 m <br /> (?) +