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bala, country mallow, flannel weed, great-leaf sida, heart-leaf sida, ilima

long-stalk sida, stockflower fanpetals

Habit Subshrubs or shrubs, to 1.5 m. Herbs or subshrubs, perennial, to 0.5 m.
Stems

erect, stellate-tomentose.

ascending to erect, with stellate 0.1 mm hairs and glandular hairs.

Leaves

stipules free from petiole, 1-veined, linear, 5–8 mm, shorter than petiole;

petiole 10–25 mm, to 1/2 length of blade, stellate-tomentose;

blade broadly cordate to ovate-lanceolate, to 6 cm, reduced distally, 1–2 times longer than wide, base cordate, margins dentate to base, apex acute, surfaces softly velvety-tomentose.

stipules free from petiole, 1-veined, subulate, 3–4 mm, 1/2–1 times length of petiole;

petiole 6.3–40 mm, 1/4–1/2 length of blade, minutely stellate-hairy;

blade narrowly linear, 2.5–8 cm, 6–20 times longer than wide, base truncate, margins dentate to base, apex subacute, surfaces stellate-hairy.

Inflorescences

axillary, usually subsessile, crowded panicles or corymbs, sometimes solitary flowers.

axillary solitary flowers.

Pedicels

0.2–0.4 cm, enlarging slightly in fruit, shorter than calyx.

slender, 8–12(–16) cm, usually 2+ times length of subtending leaves, much longer than calyx.

Flowers

calyx prominently ribbed, 6–7 mm, densely stellate-tomentose, lobes ovate;

petals yellow-orange, often with darker reddish base, 8–11 mm;

staminal column hairy;

style 8–14-branched.

calyx obscurely 10-ribbed basally, 6–8 mm, stellate-hairy, lobes triangular;

petals pale orange, 12 mm;

staminal column minutely hairy;

style 8–10-branched.

Schizocarps

oblate-conic, 6–7 mm diam., apically hairy;

mericarps 8–14, 4–5 mm, dorsally smooth, apex spined, spines to 2 mm, retrorsely barbed (variably developed, rarely suppressed).

subconic, 5–7 mm diam., minutely glandular-puberulent to subglabrous;

mericarps 8–10, 3.5 mm, strongly reticulate laterally, apex muticous.

2n

= 28.

Sida cordifolia

Sida longipes

Phenology Flowering year-round. Flowering spring–fall.
Habitat Disturbed sites, savannas, open shrublands, pinelands Arid shrublands, often on limestone
Elevation 0–300 m (0–1000 ft) 1000–1800 m (3300–5900 ft)
Distribution
from FNA
AL; FL; TX; Asia [Introduced in North America; introduced also in Mexico, West Indies, Central America, South America, Africa, Australia]
[WildflowerSearch map]
[BONAP county map]
from FNA
TX; Mexico (Coahuila)
[BONAP county map]
Discussion

A velvety-tomentose herb sometimes used in herbal medicines, Sida cordifolia is believed to have originated in India, but has been widely spread in warmer regions globally. In many areas it is considered to be an invasive weed. There is considerable variation in the flower color patterns; the velvety-tomentose indument and retrorsely barbed, relatively large or conspicuous spines can help in identification.

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

Sida longipes is known from at least six counties in the Big Bend region of southwestern Texas.

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

Source FNA vol. 6, p. 313. FNA vol. 6, p. 315.
Parent taxa Malvaceae > subfam. Malvoideae > Sida Malvaceae > subfam. Malvoideae > Sida
Sibling taxa
S. abutilifolia, S. antillensis, S. ciliaris, S. elliottii, S. glabra, S. hermaphrodita, S. lindheimeri, S. littoralis, S. longipes, S. neomexicana, S. planicaulis, S. rhombifolia, S. rubromarginata, S. santaremensis, S. spinosa, S. tragiifolia, S. ulmifolia, S. urens
S. abutilifolia, S. antillensis, S. ciliaris, S. cordifolia, S. elliottii, S. glabra, S. hermaphrodita, S. lindheimeri, S. littoralis, S. neomexicana, S. planicaulis, S. rhombifolia, S. rubromarginata, S. santaremensis, S. spinosa, S. tragiifolia, S. ulmifolia, S. urens
Synonyms S. althaeifolia, S. pellita
Name authority Linnaeus: Sp. Pl. 2: 684. (1753) A. Gray: Smithsonian Contr. Knowl. 3(5): 19. (1852)
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