| |
Cycas nathorstii
|
| |
|
| |
Family:
CYCADACEAE
|
| |
Citation: Cycas nathorstii J.Schust. in Engl., Pflanzenr. 99 76. 1932; Raju Antony, S.M. Shareef &N. Mohanan, Encephalartos 102 17. 2010.
|
| |
Malayalam Name(s):
|
| |
Tamil name(s):
|
| |
English name(s):
|
| |
Description:
Stems arborescent, up to 2 m tall, growing in humus rich soil, base not strongly swollen; barks thick with or without persistent cataphylls and leaf bases; petiole up to 70 cm long, glabrous, spinescent for 90 % of length. Leaves bright green, semi-glossy, up to 250 cm long, flat in section, up to 180 leaflets; newly emerging leaves bright green, tomentum shedding early; basal leaflets not gradually reducing to spines; median leaflets simple, up to 30 x 1 cm, 20 mm apart on rachis; section flat; margin flat, apex softly acuminate, not spinescent; midrib raised below. Cataphylls narrowly triangular, soft, thinly sericeus or lacking tomentum, up to 55 mm long. Pollen cones not seen. Megasporophylls 22.5-42 cm long, persistently brown tomentose; ovule 4-8, glabrous; lamina lanceolate, 55-60 x 20-30 mm, shortly dentate with lateral spines at margins; apical spines up to 12 mm long, 4-6 mm wide at base; seeds 30-40 x 30-35 mm, flattened-ovoid; sarcotesta yellow, fibrous layer absent; scierotesta smooth; spongy endotesta absent.
|
| |
Habit:
Shrub
|
| |
Flowering & Fruiting:
August-December
|
| |
District(s):
Kollam
|
| |
Medicinal:
|
| |
Habitat:
Semi-evergreen forests
|
| |
Distribution:
India and Sri Lanka
|
| |
Aquatic:
No
|
| |
Epiphyte(s):
No
|
| |
Saprophyte:
No
|
| |
Stem parasite:
No
|
| |
Root parasite:
No
|
| |
Flower colour(s):
|
| |
Weed:
No
|
| |
Monocot/Dicot:
,g,
|
| |
Exotic:
No
|
| |
Garden:
No
|
| |
Edible:
No
|
| |
Vegetable:
No
|
| |
Endemic to:
|
| |
IUCN status:
|
| |
Altitude:
|
| |
Localities:
|