| |
Sagittaria trifolia
|
| |
|
| |
Family:
ALISMATACEAE
|
| |
Citation: Sagittaria trifolia L., Sp. Pl. 993. 1753; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 912. 2009.
Sagittaria sagittifolia L. ssp. leucopetala (Miq.) Hartog in Steenis, Fl. Males ser. I, Illustr. Fl. Arch. Ind. 2: 49. 1870; Ramach. & V.J. Nair, Fl. Cannanore Dist. 496. 1988; Joseph, Aquatic Angiosp. Malabar 263. 1991.
Sagittaria sagittifolia L. var. leucopetala Miq., Ill. Fl. Arch. 2: 49. 1870.
Sagittaria sagittata Thunb., Fl. Jap. 242. 1784.
|
| |
Malayalam Name(s):
|
| |
Tamil name(s):
|
| |
English name(s):
|
| |
Description:
Aquatic, glabrous herb with thick stolons bearing tubers at tip. Leaves mostly emerged, upright, sagittate or somewhat hastate, blade ovate or linear-lanceolate and acute; basal lobes triangular or linear-lanceolate, often longer than the blade, sharply acute. Petiole 60-75 cm long, triangular. Inflorescence an unbranched scapose raceme, 30-50 cm long. Flowers in 2-6 whorls of (2-) 3 (-5) flowers each, unisexual, 1-2 cm across, white. Pedicels 8-15 mm long, short in females; bracts triangular-ovate, acute-acuminate. Sepals elliptic, somewhat keeled, margins broadly membranous, reflexed in fruit. Petals broadly elliptic-suborbicular, white, without basal purple spot. Stamens c. 20, filaments lanceolate, 1.5-2 mm long; anthers yellow, oblong, as long as the filaments. Head of achenes subglobose, c. 1 cm across; achenes triangularly obovate, with laterally bent beak. c. 2-3 mm long, wings subcrenate to entire.
|
| |
Habit:
Herb
|
| |
Flowering & Fruiting:
March-April
|
| |
District(s):
Kozhikkode, Kannur, Wayanad
|
| |
Medicinal:
|
| |
Habitat:
Swampy areas and paddy fields
|
| |
Distribution:
India, Europe, North Asia and North America
|
| |
Aquatic:
Yes
|
| |
Epiphyte(s):
No
|
| |
Saprophyte:
No
|
| |
Stem parasite:
No
|
| |
Root parasite:
No
|
| |
Flower colour(s):
White
|
| |
Weed:
No
|
| |
Monocot/Dicot:
Monocotyledonous Plants
|
| |
Exotic:
No
|
| |
Garden:
No
|
| |
Edible:
No
|
| |
Vegetable:
No
|
| |
Endemic to:
|
| |
IUCN status:
|
| |
Altitude:
|
| |
Localities:
Manantody
|