Australian Tropical Rainforest Plants - Online edition

Romnalda grallata R.J.F.Hend.


Grass
Herb (herbaceous or woody, under 1 m tall)
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Habit, leaves and inflorescence. © Australian Tropical Herbarium
Flowers. © Australian Tropical Herbarium
Herbarium sheet. © CSIRO
Family

Henderson, R.J.F. (1982) Kew Bulletin 37(2): 229. Type: Queensland, J.R. Clarkson. 3643 (holotypus BRI sub. BRI 263742; isotypi ad A, CANB, K, MO, NSW distribuendi).

Stem

Perennial up to 40 cm tall. Stems mostly severed from ground and the plants grow then on stilt roots that are hard and rigid, and up to 20 cm long. Basal stem without any leaves but densely clothed in old leaf bases.

Leaves

Leaves crowded. Leaf blades 12-35 x 1-1.6 cm; leaf apex with a few (3-8) teeth.

Flowers

Base of inflorescence flattened. Flowers fleshy, pedicellate; sepals petaloid and fused at the very base, cream coloured with purplish margins, 3.5-4 mm long. Petals elliptic-oblong, 4-4.5 mm long. Stamens 3 fused low down and 3 fused high up on petals. Style with the upper part forming a prominent hook.

Fruit

capsule ovoid, 8-10 mm long, apices of capsule valves wrinkled with thickened margins, apices very pointed and sharp, sepals persistent. Testa glossy brown to reddish brown, surface of seed with large deep pits.

Seedlings

Features not available.

Distribution and Ecology

Occurs in the Cape Tribulation and Port Douglas areas in NEQ. Altitudinal range from 60-1200 m. Grows in shade of rainforest and vine forest.

RFK Code
4012
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