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Struchium sparganophorum
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Family:
ASTERACEAE/COMPOSITAE
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Citation: Struchium sparganophorum (L.) O. Ktze., Rev. Gen. Pl. 1: 366. 1891; Vasudevan, Bull. Bot. Surv. India 8: 202. 1966; Mohanan, Fl. Quilon Dist. 233. 1984; Antony, Syst. Stud. Fl. Kottayam Dist. 221. 1989; Joseph, Aquatic Angiosp. Malabar 54. 1991; M. Mohanan & Henry, Fl. Thiruvanthapuram 267. 1994; Uniyal in Hajra et al., Fl. India 13: 347. 1995; Anil Kumar et al., Fl. Pathanamthitta 288. 2005; Sunil & Sivadasan, Fl. Alappuzha Dist. 391. 2009.
Ethulia sparganophora L., Sp. Pl. (ed. 2) 1171. 1763.
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Malayalam Name(s):
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Tamil name(s):
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English name(s):
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Description:
Erect, branched, semi-aquatic herbs; stem green, sparsely puberulous. Leaves alternate, elliptic-lanceolate, base attenuate and decurrent on the petiole at base, margins serrulate-denticulate, apex acute or acuminate; petiole to 2.5 cm long. Heads axillary, sessile, cluster of 4-5, c. 5 mm across, globose, white, homogamous. Involucre in 4-5 series, outer smaller and inner larger, triangular to oblanceolate, acuminate, greenish, margins scarious and hairy. Receptacle convex, pitted. Florets all tubular, without palea, 4-5 mm long, bisexual. Calyx of three white, 0.5 mm long, acute scales united variously, persistent. Corolla 2-3 mm long, white, tube narrow, lobes 5, spreading glandular. Stamens 3; filaments filiform, white. Ovary c. 1.5 mm long; stigma bifid, purple. Achenes c. 1.5 mm long, triangular, blackish.
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Habit:
Herb
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Flowering & Fruiting:
August-February
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District(s):
Kottayam, Alappuzha, Kollam, Pathanamthitta, Thiruvananthapuram, Ernakulam
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Medicinal:
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Habitat:
Wet localities
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Distribution:
Native of Tropical America; now in all warmer countries
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Aquatic:
Yes
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Epiphyte(s):
No
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Saprophyte:
No
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Stem parasite:
No
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Root parasite:
No
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Flower colour(s):
White
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Weed:
No
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Monocot/Dicot:
Dicotyledonous Plants
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Exotic:
Yes
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Garden:
No
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Edible:
No
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Vegetable:
No
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Endemic to:
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IUCN status:
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Altitude:
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Localities:
Tiruvalla, Nedumudy, Kanjippadam
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