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Dendrotrophe varians

Family

Santalaceae

Botanical Name

Dendrotrophe varians (Blume) Miq.

Miquel, F.A.W. (1856) Florae Indiae Batavae 1(1): 780. Type: ?.

Synonyms

Henslowia varians Blume, Mus. Bot. 1: 244(1850), Type: Bornoe, Korthals s. n.. Henslowia queenslandiae L.S.Sm., The Queensland Naturalist 14: 62(1951), Type: Queensland, Mt Edith, Lamb Range, ca. 15 miles NE of Atherton, 23 Aug. 1947, L. S. Smith 3394; holo: BRI.

Stem

Vine stem diameters to 5 cm recorded. Blaze odour may resemble the odour of fungi.

Leaves

Leaf blades somewhat fleshy, about 4.5-10 x 32.56 cm, petioles about 0.4-1 cm long. Venation longitudinal and parallel with five veins obvious.

Flowers

Usually two racemes produced in each leaf axil. Flowers about 2-2.5 mm diam. Calyx tube (hypanthium) about 0.6 mm long. Tepals triangular, thick, about 1.1 mm long. Staminal filaments about 0.2 mm long, attached to the base of the tepals. Anthers wider than long, apices lobed, each anther with a tuft of hair on the back. Disk concave, lobed. Style shortly branched.

Fruit

Fruits globose, about 12-15 x 11-13 mm, perianth persistent at the apex. Seeds about 7-11 x 6-8 mm, surface ornamented with longitudinal ribs and irregular sharp protrusions. Transverse sections of the seed show about ten intrusions of testa into the endosperm. Embryo small, about 1 mm long. Cotyledons about as wide and as long as the radicle, sometimes slightly shorter.

Seedlings

Cotyledons remain trapped within the testa. Usually 2 cataphylls produced above the cotyledon scars but before the first pair of true leaves. First pair of true leaves elliptic and opposite, +/- sessile.

Distribution and Ecology

Occurs in NEQ and southwards to coastal central Queensland. Altitudinal range from 700-1300 m. Grows in upland and mountain rain forest. Also occurs in Malesia.

Natural History

May be parasitic on the roots of other plants.

NEQ

X

Vine

X

RFK Code

2052