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Acrotriche baileyana

Family

Ericaceae

Botanical Name

Acrotriche baileyana (Domin) J.M.Powell

Powell, J.M. (1975) Telopea 1: 425. Type: ?.

Synonyms

Monotoca baileyana Domin, Repertorium Specierum Novarum Regni Vegetabilis 12: 98(1913), Type: Queensland, Mount Bartle Frere, F.M. Bailey; holo: K; iso: BRI.

Stem

Usually flowers and fruits as a shrub 2-4 m tall.

Leaves

Leaf blades about 13-30 x 5-9 mm, petioles short, about 3 mm long. Leaf blades almost white on the underside. Venation almost longitudinal and parallel, the veins arising at the base and radiating. Midrib absent. Twigs clothed in brownish hairs.

Flowers

Flower buds completely enclosed by a series of overlapping bracts. Each corolla lobe with an erect tuft of hairs near the apex.

Fruit

Calyx persistent at the base of the fruit and style persistent at the apex. Fruits depressed globular, about 3-4 x 2-3 mm. Endocarp hard with many fibrous strands on the outer surface, seeds 1-3 or more, each about 2 x 1 mm. Embryo about 1 mm long. Cotyledons small, located at one end of a long straight embryo and no wider than the radicle.

Seedlings

Cotyledons narrowly oblong-elliptic, about 5-6 x 1 mm, petioles very short. Venation obscure, almost 3-veined. Cotyledons longer and wider than the first leaves. Hypocotyl square in transverse section. Stem clothed in short whitish hairs. First leaves with longitudinally parallel venation. At the tenth leaf stage: leaf blade linear, about 5-6 mm long, shorter than the cotyledons, petiole absent. Venation longitudinal and parallel with three veins more prominent than the rest. Margin clothed in teeth-like hairs.

Distribution and Ecology

Endemic to NEQ, restricted to Mt Bartle Frere, the Bellenden Ker Range and Walsh's Pyramid. Altitudinal range from 900-1500 m. Restricted to the stunted windswept vegetation on the tops of the mountains on shallow soils derived from granite.

NEQ

X

Shrub (woody or herbaceous, 1-6 m tall)

X

RFK Code

3058