| |
Sida spinosa
|
| |
|
| |
Family:
MALVACEAE
|
| |
Citation: Sida spinosa L., Sp. Pl. 683. 1753; Hook. f., Fl. Brit. India 1: 323. 1874; Gamble, Fl. Pres. Madras 89(64). 1915; T.K. Paul in B.D. Sharma & Sanjappa, Fl. India 3: 292. 1993; Subram., Fl. Thenmala Div. 32. 1995; Sivar. & Pradeep, Malvac. Southern Peninsular India 280. 1996; M. Mohanan & A.V.N. Rao in P. Daniel, Fl. Kerala 1: 395. 2005.
|
| |
Malayalam Name(s):
Aanakurunthotti, Aanathuthi, Kattaventhiyam, Mayiramanikkam, Mayirmanikkam, Valiya-oorakam
|
| |
Tamil name(s):
|
| |
English name(s):
Prickly sida, Prickly mallow
|
| |
Description:
Annual or perennial, erect or diffuse herbs or undershrubs, to 60 cm high; stems with 1 or 2 spines at the base of petioles; stems, petioles and pedicels cinereous-stellate-and simple hairy. Leaves alternate, oblong or ovate, acute or subcordate at base, serrate at margin, acute, rounded to truncate at apex, 6-30 x 4-25 mm, stellate-pubescent, sometimes glabrescent above; petioles 2-15 mm long; stipules linear, equal, 1-2.5 mm long, hairy. Flowers axillary, solitary or in clusters of 2-5 on small axillary shoots; pedicels 2-8 mm long, accrescent to 8 mm, jointed above middle. Calyx campanulate, 3-5 mm across; lobes free above middle, deltoid, acute to acuminate with a prominent midnerve, 1-2 x 1.5-2 mm, cinerous-stellate-and simple hairy outside, glabrous except at margin inside. Corolla ca 1 cm across, yellow or yellowish white; petals obovate, rounded or emarginate at apex, ca 6 x 3 mm, glabrous. Staminal column ca 2 mm long, glabrous, antheriferous at apex. Ovary ovoid; styles 5; stigmas globose, purple. Schizocarps ca 5 mm across, enclosed in calyx; mericarps 5, 3-gonous, 2-3 mm long, with 2 divergent awns to 1-1.5 mm long, prominently dorsally reticulate, stellate-hairy at apex; seeds ovoid, slightly 3-gonous, 1-1.5 mm long, glabrous, brownish black.
|
| |
Habit:
Shrub
|
| |
Flowering & Fruiting:
March-December
|
| |
District(s):
Kollam
|
| |
Medicinal:
|
| |
Habitat:
Wastelands
|
| |
Distribution:
Pantropical
|
| |
Aquatic:
No
|
| |
Epiphyte(s):
No
|
| |
Saprophyte:
No
|
| |
Stem parasite:
No
|
| |
Root parasite:
No
|
| |
Flower colour(s):
Yellow, White
|
| |
Weed:
No
|
| |
Monocot/Dicot:
Dicotyledonous Plants
|
| |
Exotic:
No
|
| |
Garden:
No
|
| |
Edible:
No
|
| |
Vegetable:
No
|
| |
Endemic to:
|
| |
IUCN status:
|
| |
Altitude:
|
| |
Localities:
Vandalodu, Thenmalai
|