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Scale bar 10mm. Copyright CSIRO

Gynochthodes australiensis

Family

Rubiaceae

Botanical Name

Gynochthodes australiensis J.T.Johanss.

Johansson, J.T. (1988) Australian Systematic Botany 1(4): 369. Type: Jones 1556, Australia, Northern Territory, Arnhem Land, headwaters of East Alligator River, 1.iv.1984; holo: DNA; Iso: CANB, NSW.

Stem

A slender vine not exceeding a stem diameter of 2 cm.

Leaves

Leaf blades completely glabrous on both the upper and lower surfaces.

Flowers

Calyx tube (hypanthium) about 0.4-1.1 mm long, calyx lobes nil or very small. Corolla lobes about 5.5-7 mm long, inner surface densely clothed in long, white, erect hairs. Staminal filaments about 1.2-2.5 mm long, anthers about 2.2-2.7 mm long. Style about 5.5-6 mm long. Stigmas about 1.7-2.3 mm long.

Fruit

Fruits globose, about 8-11 mm diam. 'Seeds' (endocarps) about 5 per fruit. Seeds shaped like a quadrant, each about 6-7 x 4.5 mm. Embryo about 2-3 mm long. Radicle about as long and as wide as the cotyledons. True seeds about 6 x 3 mm. Cotyledons about 1 mm long and slightly wider than the radicle. Endocarps quite hard, difficult to cut.

Seedlings

Features not available.

Distribution and Ecology

Endemic to Australia, occurs in NT, CYP and NEQ. Altitudinal range from near sea level to 100 m. Grows in monsoon forest and rain forest.

NT

X

CYP

X

NEQ

X

Slender Vine

X

RFK Code

2537