Sida antillensis

Urban

Symb. Antill. 5: 418. 1908.

Common names: West Indian sida
Treatment appears in FNA Volume 6. Treatment on page 313. Mentioned on page 312.

Subshrubs, 0.5 (–1) m. Stems erect, glabrescent. Leaves: stipules free from petiole, 1-veined, linear, 3–6 mm, subequal to petiole; petiole 2–5 mm, ca. 1/4 length of blade, glabrescent; blade lanceolate-elliptic to round, 1.5–5 cm, somewhat longer than wide, base truncate, margins dentate apically, entire basally, apex acute or obtuse, surfaces minutely hairy. Inflorescences axillary solitary subsessile flowers. Pedicels not slender, 0.4–1.2 cm, usually shorter than calyx. Flowers: calyx ribbed, 5–8 mm, glabrescent, lobes acute or acuminate; petals yellow, 6–8 mm; style 8–10-branched. Schizocarps subconic, 5–6 mm diam., glabrous; mericarps 8–10, laterally reticulate, apex spined, spines to 1.5 mm, puberulent.


Phenology: Flowering year-round.
Habitat: Roadsides, disturbed sites, often in sandy areas
Elevation: 0–50 m

Distribution

V6 567-distribution-map.jpg

Fla., West Indies, Central America

Discussion

Sida antillensis has been found in Collier, Hendry, Lee, Miami-Dade, and Monroe counties, where it is generally said to be introduced. It is widespread in the West Indies and could be native to parts of coastal Florida.

Selected References

None.

Lower Taxa

None.

"/4lengthofblade" is not declared as a valid unit of measurement for this property.

... more about "Sida antillensis"
obtuse;acute +
Paul A. Fryxell† +  and Steven R. Hill +
rounded +, truncate +, subcordate +, cordate +  and cuneate +
asymmetric +  and symmetric +
somewhat longer than wide +
lanceolate-elliptic +  and round +
1.5 cm15 mm <br />0.015 m <br /> (5 cm50 mm <br />0.05 m <br />) +
glabrescent +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
indehiscent +  and loculicidal +
West Indian sida +
reddish +, red-orange +, salmon-pink +, yellow-orange +, yellow +, cream +  and white +
Fla. +, West Indies +  and Central America +
well-differentiated +
0–50 m +
sparse;copious +
pistillate +  and staminate +
unisexual +  and bisexual +
hairy +  and glabrous +
muticous +
Roadsides, disturbed sites, often in sandy areas +
tough-fibrous +
connate +  and distinct +
dehiscent +  and indehiscent +
subsessile +  and petiolate +
acuminate +  and acute +
entire +  and dentate +
wedge--shaped +
3-40-carpellate +
(1-)2-many +
not slender +
0.4 cm4 mm <br />0.004 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
adnate +  and distinct +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering year-round. +
Symb. Antill. +
5mm +  and 6mm +
reniform +
persistent +
sessile +  and subsessile +
glabrescent +
filiform +, linear +  and capitate +
1-2 times number of carpels +
usually linear +  and lanceolate or falcate +
subequal +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
8-10-branched +
Dictyocarpus +, Malvinda +  and Pseudomalachra +
Sida antillensis +
species +
50 cm500 mm <br />0.5 m <br /> (100 cm1,000 mm <br />1 m <br />) +
perennial +  and annual +
monoecious +, dioecious +  and hermaphroditic +