Australian Tropical Rainforest Plants - Online edition

Hemigraphis ciliata S.Moore


Herb (herbaceous or woody, under 1 m tall)
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Flower. © G. Sankowsky
Habit, leaves and flowers. © G. Sankowsky
Herbarium specimen. © CSIRO
Family

Moore, S. le M. (1920) Journal of Botany, British and Foreign 58: 191

Stem

Decumbent herb. Stems ca. prostrate, rooting at the nodes, 4-angled and grooved, hairy.

Leaves

Petioles 5-15 mm long, hairy.Leaf blade elliptic, 5.5-10 x 2-3.5 cm; attenuate at base; acuminate to acute at apex; lateral veins 5-7 on each side of the midrib and forming loops inside the blade; glabrous with numerous embedded cigar-shaped glands visible on the upper surface of the leaf blade, glands visible with a lens.Margin shallowly crenate.

Flowers

Inflorescence a terminal spike. Bracts leaf-like with short hars. Calyx lobes linear, 7-8 x 0.8-0.9 mm, with short hairs. Corolla white, veined purple, 13-15 mm long, tube and throat 10-11 mm long. Stamens with upper filaments1.5-1.8 mm long, hairy, lower filaments 0.8-0.9 mm long with short hairs. Ovary hairy in upper half, 4 ovules per cell. Seeds 1-4 per capsule, with seed-bearing hooks. Seed clothed in hairs, orbicular, flattened, ca.1.5-2 mm diam.

Fruit

Fruit a cigar-shaped capsule, 8-9 x 2.5 mm, hairy in upper half, enclosed in the persistent calyx.

Seedlings

Cotyledons orbicular, radicle straight, about 0.5 mm long.

Distribution and Ecology

Occurs in CYP and CEQ. Also known from New Guinea and SE Asia. Grows in undergrowth of gallery rainforest also in semi evergreen and notophyll vine forest on alluvial soil.

Synonyms

Hemigraphis royenii Bremek , Nova Guinea 8: 132 (1957). Type: van Royen 4770, between Wam River and Lake Wam, alt. 60 m, Merauke District.

RFK Code
4131
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