Cayratia trifolia

Cayratia trifolia (L.) Domin

Recent Synonyms: Vitis trifolia L.; Columella trifolia Merrill; Cissus carnosa Lam.

Status: Native; Vulnerable.

Growth Form or Habit: Herbaceous climber.

Habit
National University of Singapore, 2010.

Leaves
National University of Singapore, 2010.

Leaves: 3-foliolate, margin crenate; terminal leaflet lamina, obovate, oblong to elliptic, 5.5–7 cm by 3.5–4.5 cm, petiolule 1–2 cm long, lateral leaflet lamina elliptic, 3.5–5.5 cm by 3–4 cm, petiolule 4–10 mm long; lamina minutely hairy above, glabrous below, coriaceous to chartaceous, nerves red; petiole 2.5–6 cm long, red.

Stem: Stem up to 1 cm across, glabrous, red when young, corky with age, tendril 2–3-furcate, red, opposite leaf, characteristic of all members of the family.

Flowers: In a dichotmous cyme without tendril, ca. 2 cm across, axis red, inserted in leaf axil, peduncle ca. 10–13 cm long.

IMG_5244
Pulau Semakau; Secondary forest; 2011.

Fruits: Berry oblate to discoid, 1.5–2 cm across by 1–1.5 cm, with 2–4 seeds per fruit; seed 1 cm by 0.5 cm.

Habitat: Lowland dipterocarp and swamp forest fringe, coastal, inbaited area and wasteland.

Occurrence: Labrador Park, Western Catchment, Lazarus Island, Lower Seletar Reservoir, Kheam Hock Road.

Distribution: Zimbabwe, Gabon, Madagascar, India, Myanmar, Vietnam, Cambodia, Thailand, Malesia, and Queensland, Australia.

Reference:

(1) Latiff, A. 1981. Studies in Malesian Vitaceae, 5. The genus Cayratia in the Malay Peninsula. Sains Malaysiana, 10(2): 129–139.

(2) Yeo, C.K. 2001. The Vitaceae and Leeaceae of Singapore. Honours Thesis, National University of Singapore. 96 pp.

More pictures can be found at

(1) The Plant Observatory website

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