Synoum glandulosum subsp. paniculosum

Family

Meliaceae

Botanical Name

Synoum glandulosum subsp. paniculosum (F.Muell.) Mabb.

Mabberley, D.J. (1998) Telopea 8(1): 48. Type: ?.

Synonyms

Synoum glandulosum var. paniculosum F.Muell., Fragmenta Phytographiae Australiae 5: 145(1865), Type: ad Rockinghams Bay. Synoum muelleri C.DC., Monographiae Phanerogamarum 1: 593(1878), Type: In Nova Hollandia ad Rockingham Bay (Ferd. Muell. in h. Berol.).

Common name

Northern Scentless Rosewood; Northern Rosewood; Scentless Rosewood

Stem

Bark reddish brown, conspicuously tessellated on larger trees.

Leaves

Leaflet blades about 5-12 x 2.5-5 cm. Domatia are conspicuous tufts of hairs. Leaflet stalks channelled on the upper surface. Stalk of the terminal leaflet generally longer than those of the lateral leaflets.

Flowers

Inflorescence about 5-20 cm long. Calyx lobes +/- deltoid, about 0.5 mm long. Petals +/- lanceolate, about 5-5.5 mm long. Stamens usually ten, fused to form a staminal tube about 3.5-4.5 mm long, shallowly lobed at the apex, anthers sessile. Disk attached to the lower part of the ovary, ovary pubescent, about 1.5-2 x 2.5 mm, style pubescent, about 2-2.5 mm long, stigma terminal, +/- peltate.

Fruit

Fruits glabrous externally and internally, usually 2-lobed, about 15-20 mm long. Seeds about 12-13 x 7-8 mm. Aril partly enclosing the seed. Cotyledons green, folded lengthways.

Seedlings

Cotyledons fleshy, reniform, about 10-15 mm wide, apex rounded, base cordate, venation obscure, about 3-5 veins radiating from petiole. At the tenth leaf stage: leaflet blades elliptic or obovate, leaflets increasing in size from the base to the apex of the compound leaf, upper surface glabrous or with a few hairs along midrib; domatia (tufts of hair) sometimes present on the underside. Petioles and stem densely clothed in hairs.

Distribution and Ecology

Endemic to Queensland, occurs in NEQ and southwards as far as coastal central Queensland. Altitudinal range from 700-1300 m. Grows in well developed upland and mountain rain forest.

Natural History

Produces a useful and decorative cabinet timber.

Wood specific gravity 0.62. Cause et al. (1989).

NEQ

X

Tree

X

RFK Code

153