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Pomaderris viridis N.G.Walsh
Family Rhamnaceae
Pomaderris viridis N.G.Walsh APNI*

Synonyms: Pomaderris aspera x cinerea APNI*
Pomaderris sp. C sensu Harden (1990) APNI*

Description: Shrub or small tree 2–5 m high. Young stems densely covered with pale stellate hairs. Stipules very narrowly triangular or linear, 3–5 mm long, caducous.

Leaves ovate to elliptic, 20–55 mm long, 15–30 mm wide; rather thin-textured; margins irregularly serrate or crenate, or rarely, quite entire, flat or margins very weakly recurved; adaxial lamina evenly covered with stellate hairs but the lamina remaining visible beneath the indumentum; abaxial lamina lightly covered with pale stellate hairs, the lamina quite apparent beneath; petiole 4–9 mm long.

Inflorescences of slender, terminal and upper-axillary panicles mostly 5–8 cm long, composed of numerous umbellate cymes, each of c. 4–10 flowers. bracts ovate to narrowly triangular, 1–2 mm long, deciduous; pedicels 1.5–3 mm long. Flowers cream to pale yellowish-green; externally densely covered with fine grey stellate hairs; sepals 1.2–1.5 mm long, deciduous; petals absent.

Fruit a 3-partite schizocarp, 2.7–3 mm long, obovoid to ellipsoid, dark brown; seed released by medial split of ventral face of fruitlet, 1.5–1.7 mm long.


Flowering: Flowers November.

Distribution and occurrence: Known from a few localities in south-eastern New South Wales, in an area approximately bounded by the settlements of Bemboka, Brogo and Towamba.

Commonly occurs in rocky sites, usually in the vicinity of watercourses, but also collected from moist forest on mid-slopes of low ridgelines.
NSW subdivisions: SC, ST
AVH map***

Most collections of P. viridis indicate association with P. aspera and P. cinerea, and it is believed to be likely that it is either an F1 hybrid with these two species as parents, or it is a true-breeding species of hybrid ancestry.

Text by Louisa Murray
Taxon concept: Walsh, N.G. (2008) Two new Pomaderris (Rhamnaceae) from south-eastern Australia. MuelleriaVol 26(2).

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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