Natsiatum herpeticum Buch.-Ham. ex Arn., Edinburgh New Philos. J. 16: 314 314 1834. (Syn: Natsiatum tonkinense Gagnep.; Sicyos pentandrus Wall. [Invalid]);
Nepal to China (W. Yunnan) and Indo-China: Assam, Bangladesh, China South-Central, East Himalaya, India, Laos, Myanmar, Nepal, Thailand, Vietnam as per POWO;
Dioecious climbing shrubs; roots tuberous; young branches yellow-brown strigose; old branches conspicuously lenticellate. Leaves simple, alternate, spiral; petioles ca. 3.5-7.5 cm, slender, yellow- brown crispate pubescent; lamina ca. 8-15 × 5-10 cm, broadly ovate, cordate to truncate or abruptly cuneate at base, acute or acuminate at apex, dentate, chartaceous, rough due to stiff, white hairs; secondary nerves 3-5 pairs, midrib prominent abaxially, concave adaxially, tertiary veins subparallel, reticulate veins conspicuous. Inflorescences in supra-axillary hirsute spike-like racemes, ca. 10-12 cm long, slender, pendulous; Flowers unisexual; bracts linear; pedicels ca. 2-3 mm long; calyx lobes valvate, linear-lanceolate, outer surface densely covered with coarse hairs; petals 5, ca. 2.5 mm long, lanceolate, hairy inside; Male flowers: filaments short; anthers sagittate; Female flowers: staminodes subulate; ovary hairy; style 2-3-lobed, laterally compressed, ovate, rugose. Drupe ca. 1.5 × 1 cm, yellow-green, becoming black with age.
[EfloraIndia_101213PD01_ Flora of Odisha for ID] : Attachments (2). 5 posts by 4 authors.
i have recently collected this liana from gajapati district, south Odisha growing in under the canopy of evergreen trees near stream (900 m above msl). Please help me in ID.
Flowers very small (5 mm in diameter), leaves large, 10 to 14 cm long and 5 to 7 cm broad, petiole 5 cm.
Many many thanks … for the identification. I was thinking of menespermaceae, but not sure. Yes the sepals and petals are green.
It is shown as critically endangered as per IUCNRed List (CR) with range in Cameroon; Equatorial Guinea (Bioko); Sierra Leone.
Being so, it may not occur in India in wild.
It is male climber of Tinospora cordifolia
Does not matches with images at https://sites.google.com/site/efloraofindia/species/m—z/m/menispermaceae/tinospora/tinospora-cordifolia
It is not Tinospora cordifolia, the male flower is quite different
Natsiatum herpeticum, Icacinaceae,
Natsiatum herpeticum_RKC01_20032012: Images not visible now.
Natsiatum herpeticum Buch.-Ham. ex Arn. (Family: Icacinaceae)
I’ve seen this plant at some places in Arunachal and Assam. The leaves and stems are a little scabrid in texture and hence can be easily recognized.