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Argophyllum cryptophlebum

Family

Argophyllaceae

Botanical Name

Argophyllum cryptophlebum Zemann

Zemann, M. (1907) Annalen des k.k. Naturhistorischen Hofmuseums, Wien 22: 283. Type: Sayer: Mt. Bellenden Ker, 1887, S. Johnson: Mt. Bartle-Frere 1891.

Synonyms

Argophyllum nitidum var. fulvum F.M.Bailey, The Queensland Flora 2: 533(1900), Type: Mount Bellenden Ker, W.A. Sayer; Mount Bartle Frere, S. Johnson..

Stem

Usually flowers and fruits as a shrub about 2-3 m tall.

Leaves

Leaf blades about 4.5-11 x 2-5 cm, petioles about 1-3 cm long. Lateral veins about 4-7 on each side of the midrib. Underside of the leaf blade white from appressed white hairs. Veins clothed in golden brown hairs. Leaf blade margin with about 7-15 teeth on each side, each tooth with an attached vein linking it to the leaf venation.

Flowers

Flowers about 7-8 mm diam., clothed in white and golden brown hairs. Sepals about 1.5 mm long, clothed in golden brown and white hairs. Petals clothed in prostrate hairs on the outer surface but glabrous on the inner surface, margin coarsely serrate at least towards the base. Floral disk orange.

Fruit

Fruits small, about 3 x 4 mm, calyx persistent at the apex. Seeds numerous and tiny, less than 0.5 mm long. Testa orange or rusty brown, reticulate. Embryo tiny, about 0.3 mm long.

Seedlings

Cotyledons +/- orbicular, about 2-2.5 mm diam. Midrib alone visible. First pair of leaves ovate, apex apiculate, both the upper and lower surfaces clothed in appressed hairs. First leaf margin entire, second leaf margin with 2 teeth, one on each side of the blade. At the tenth leaf stage: leaf blade ovate, apex acuminate and mucronate, base cuneate to obtuse, margin with 8-14 small serrulate teeth on each side. Lateral veins about 6-8 on each side of the midrib. All plant parts densely clothed in brown medifixed hairs. Lower surface of the leaf blade cream in colour.

Distribution and Ecology

Endemic to NEQ. Altitudinal range from 700-1500 m. Usually grows in stunted vegetation on the tops and upper slopes of mountains.

NEQ

X

Herb (herbaceous or woody, under 1 m tall)

X

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

X

RFK Code

3353