Australian Tropical Rainforest Plants - Online edition

Pimelea sericostachya F.Muell.


Herb (herbaceous or woody, under 1 m tall)
Shrub (woody or herbaceous, 1-6 m tall)
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Inflorescence. © R. Fryer
Habit, leaves and flowers. © R. Fryer
Habit, leaves and flowers. © R. Fryer
Family

Mueller, F.J.H. von (1864) Fragmenta Phytographiae Australiae 4: 162. Type: Queensland, Sellham (Sellheim) River, E. Bowman; holo: MEL. Fide S. Threlfall, Brunonia 5: 148 (1983).

Stem

Usually flowers and fruits as a shrub about 1 m tall but also flowers when smaller.

Leaves

Leaf blades about 12-38 x 3-13 mm, petioles about 1-2 mm long. Twigs, petioles and lower leaf blade surfaces clothed in pale silky hairs. Venation usually difficult to see except on the almost glabrous leaves. Twig bark strong and fibrous when stripped.

Flowers

Flowers about 5 mm diam. Perianth tube (hypanthium) about 5-6 mm long, lobes about 1-2 mm long. Stamens inserted in the throat of the perianth tube (hypanthium). Anthers +/- sessile, about 1.4 x 0.5 mm. Pollen orange. Apex of the ovary clothed in white hairs. Style about 2.5-4 mm long, attached to the side of the ovary. Stigma papillose.

Fruit

Fruits pyriform, about 4 x 2 mm, clothed in prostrate silky hairs. Seed almost as large as the fruit, testa tuberculate. Cotyledons flat, about as long as but much wider than the radicle.

Seedlings

Features not available.

Distribution and Ecology

Endemic to Queensland, occurs in NEQ and CEQ. Altitudinal range in CYP and NEQ from near sea level to 1000 m. Usually grows in open forest but sometimes found in vine thickets and monsoon forest.

Synonyms
Banksia sericostachya (F.Muell.) Kuntze, Revisio Generum Plantarum 2: 583(1891). Banksia leptostachya (Benth.) Kuntze, Revisio Generum Plantarum 2: 583(1891). Pimelea leptostachya Benth., Flora Australiensis 6: 24(1873), Type: Queensland. Herberts Creek and Rockhampton, Bowman.
RFK Code
3500
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