Author Archive

Hoya diversifolia

Hoya diversifolia Blume

Recent Synonyms: None.

Status: Native; Critically endangered. Cultivated.

Growth Form or Habit: Climber.

Habit
Khatib Bongsu; Mangrove; 2010.

Leaves
Khatib Bongsu; Mangrove; 2010.

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Melanthera biflora

Melanthera biflora (L.) Wild

Recent Synonyms: Wollastonia biflora (L.) DC.; Wedelia biflora (L.) DC.

Status: Native; Common. Cultivated.

Growth Form or Habit: Shrub.

HabitSungei Punggol; Mangrove; 2010.

More pictures can be found at

(1) The Plant Observatory website

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Strobilanthes crispus

Strobilanthes crispus Blume

Recent Synonyms: None relevant.

Status: Exotic; Cultivated only.

Growth Form or Habit: Herb.

Habit
Khatib Bongsu; Plantation; 2010.


Khatib Bongsu; Plantation; 2010.

Other Information:

Common Name: Black Face General.

More pictures can be found at

(1) The Plant Observatory website

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Bruguiera cylindrica

Bruguiera cylindrica (L.) Blume

Recent Synonyms: None relevant.

Status: Native; Common. Cultivated

Growth Form or Habit: Tree.

Flower
Eastern coast; Coast; 2010.

Propagules
Sungei Serangoon; Mangrove; 2009.

More pictures can be found at

(1) The Plant Observatory website

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Scyphiphora hydrophylacea

Scyphiphora hydrophylacea C.F. Gaertn.

Recent Synonyms: None relevant.

Status: Native; Common. Cultivated

Growth Form or Habit: Shrub.

Habit
Eastern coast; Coastal; 2010.

Leaves
Khatib Bongsu; Mangrove; 2010.

Flowers
Khatib Bongsu; Mangrove; 2010.

Fruits
Khatib Bongsu; Mangrove; 2010.

Other Information:

Common Name: Chengam.

More pictures can be found at

(1) The Plant Observatory website

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Allophylus cobbe

Allophylus cobbe (L.) Reausch.

Recent Synonyms: None relevant.

Status: Native; Common. Cultivated

Growth Form or Habit: Shrub.

Leaves
Khatib Bongsu; Mangrove; 2010.

IMG_5714
Pulau Semakau; 2011.

Other Information:

Common Name: Tit Berry.

More pictures can be found at

(1) The Plant Observatory website

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Pometia pinnata

Pometia pinnata J.R. Forst & G. Forst.

Recent Synonyms: None relevant.

Status: Native; Endangered. Cultivated

Growth Form or Habit: Tree.

Habit
Seng Kang Riverside Park; Cultivated; 2010.

Leaves
Seng Kang Riverside Park; Cultivated; 2010.

Other Information:

Common Name: Kasai.

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Dimocarpus longan var. longan

Dimocarpus longan Lour. var. longan

Recent Synonyms: None relevant.

Status: Exotic; Casual. Cultivated

Growth Form or Habit: Tree.

Habit
Sengkang Riverside Park; Cultivated; 2010.

Leaves
Seng Kang Riverside Park; Cultivated; 2010.

Young leaves
Sengkang Riverside Park; Cultivated; 2010.

Fruits
Sengkang Riverside Park; Cultivated; 2010.

Other Information:

Common Name: Longan.

Other Varieties: Dimocarpus longan var. malesianus

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Cissus hastata

Cissus hastata Miq.

Recent Synonyms: Vitis hastata Miq.

Status: Crytogenic.

Growth Form or Habit: Herbaceous climber.

Habit
Khatib Bongsu; Secondary forest edge; 2010.

Leaves
Punggol; Secondary forest edge; 2010.

Leaves: Lamina ovate to lacelolate, margin serrate, apex acuminate, base auriculate, cordate to hastate, 2–15.5 cm by 1.5–8 cm, glabrous, coriaceous, often red along margin and lamina lower surface, petiole 1.5–3.2 cm long.

Stem: Stem quadrialate, wings often red, up to 1 cm across, glabrous when young, glaucous to corky with age, tendril 2-furcate, red, leaf-opposed, characteristic of all members of the family.

Flowers: In a umbellate cyme without tendril, 1–2.5 cm across, leaf-opposed, peduncle 1.5–2 cm long. Flower ca. 5 mm across, petals cream adaxially, red abaxially.

Flower buds
Punggol; Secondary forest edge; 2010.

Fruit
Khatib Bongsu; Secondary forest edge; 2010.

Fruits: Berry globose, ca. 5 mm across, ripening red to black, with 1 seed per fruit; seed ca. 4 mm by 3 mm.

Habitat: Secondary forest fringe, inbaited area and wasteland.

Occurrence: Widespread as a weed, uncommon in better qulaity forest.

Distribution: India, Myanmar, Vietnam, Thailand, Malesia.

References:

(1) Latiff, A. 1981. Studies in Malesian Vitaceae, 6. The Malay Peninsula species of Cissus L. Malayan Nature Journal 35: 197–207.

(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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Uncaria gambir

Uncaria gambir (W. Hunter) Roxb.

Recent Synonyms: None relevant.

Status: Exotic; Naturalised.

Growth Form or Habit: Climber.

Habit
Punggol; Secondary forest; 2010.

Young branch
Punggol; Secondary forest; 2010.

Paired hooks
Punggol; Secondary forest; 2010.

Stipule
Punggol; Secondary forest; 2010.

Other Information:

Common Name: Gambier.

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