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Heartleaf Fanpetals

Sida cordata (Burm. fil.) Borss. Waalk.

Comments

provided by eFloras
Sida cordata var. nasirii Abedin was erected for a group of specimens from Pakistan with distinctive, very slender, purple pedicels.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 12: 270, 274 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
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Description

provided by eFloras
Prostrate or semiprostrate herb, up to 80 cm tall. Profusely branched at the base, all parts stellate pubescent, mixed with simple spreading hairs on branches, petioles, pedicels and calyx. Leaves 1-5.5 cm long, 1-5 cm broad, narrowly to broadly ovate, lanceolate in terminal branches, crenate to serrate, cordate or rounded at base, acuminate at apex, lower surface stellate pubescent, upper one with stellate and simple, strigose hairs; stipules filiform, 2-4 mm long; petiole 1-4 cm long. Flowers axillary, solitary or pseudoraceme by reduction of leaves in the terminal parts; pedicel 1.5-2.5 cm long, in fruit up to 3.5 cm, jointed slightly above the middle. Calyx fused to the middle, 4-5 mm long and broad; lobes c. 2mm broad, acuminate. Corolla pale yellow, 7-8 mm across. Staminal column 2-3 mm long, simple hairy. Fruit depressed globose, 3-4 mm across, pubescent at the top, beaked; mericarps 5, dehiscent, membranous, smooth, disintegrated at the radial surfaces, 2.5 mm long. Seeds brown, c. 2 mm long, glabrous.

This is a highly variable species in indumentum and inflorescence. Variation in the inflorescence sometimes gives the illusion of the presence of at least 2 taxa. It has been observed in the herbarium specimens that there is continuous variation in the inflorescence hence the separation of taxa on the basis of this character is not advisable.

However, discontinous variation has been observed in the colour of branches and pedicels, and in the stiffness of pedicels on the basis of which 2 taxa may be easily delimited.

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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of Pakistan Vol. 0: 77 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of Pakistan @ eFloras.org
editor
S. I. Ali & M. Qaiser
project
eFloras.org
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Description

provided by eFloras
Subshrubs procumbent, to 1 m. Stems slender, with simple pilose hairs, stiffly stellate hairs, and sometimes small simple multicellular hairs. Stipule filiform, 2-3 mm, sparsely pilose; petiole 1-3 cm, with conspicuous long simple hairs; leaf blade broadly ovate, (1-)2-5 × 1.8-4.5 cm, both surfaces stellate puberulent and ± apressed pilose, base cordate, margin crenate or dentate, apex acuminate. Flowers usually solitary, axillary, often on leafy, racemelike, axillary shoots. Pedicel slender, 1.5-4 cm, articulate on distal part, sparsely stellate and with long hairs. Calyx cup-shaped, 4-6 mm, sparsely pilose with long hairs, lobes 2-3 mm, acute. Corolla yellow, 8-9 mm in diam. Filament tube ca. 2 mm, glabrous or sparsely pilose. Schizocarp nearly globose, ca. 3 mm in diam.; mericarps 5, ovoid-tetrahedral, ca. 2.5 mm, smooth, glabrous or sparsely minutely hairy at apex, apex not beaked, not awned. Fl. Jul-Feb.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 12: 270, 274 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
visit source
partner site
eFloras

Distribution

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A pantropical weed.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Annotated Checklist of the Flowering Plants of Nepal Vol. 0 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Annotated Checklist of the Flowering Plants of Nepal @ eFloras.org
author
K.K. Shrestha, J.R. Press and D.A. Sutton
project
eFloras.org
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eFloras

Elevation Range

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400-1800 m
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Annotated Checklist of the Flowering Plants of Nepal Vol. 0 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Annotated Checklist of the Flowering Plants of Nepal @ eFloras.org
author
K.K. Shrestha, J.R. Press and D.A. Sutton
project
eFloras.org
original
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partner site
eFloras

Habitat & Distribution

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Scrub, grassy roadsides. Fujian, Guangdong, Guangxi, Hainan, Taiwan, Yunnan [India, Philippines, Sri Lanka, Thailand; pantropical species of unknown origin].
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 12: 270, 274 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
visit source
partner site
eFloras

Synonym

provided by eFloras
Melochia cordata N. L. Burman, Fl. Indica, 143. 1768; Sida humilis Cavanilles; S. humilis var. veronicifolia (Lamarck) Masters; S. multicaulis Cavanilles; S. veronicifolia Lamarck; S. veronicifolia var. humilis (Cavanilles) K. Schumann; S. veronicifolia var. multicaulis (Cavanilles) E. G. Baker.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 12: 270, 274 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
visit source
partner site
eFloras