Guioa molliuscula

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Guioa molliuscula

Description

Tree, c. 10 m high. Branchlets velutinous; Leaves 1- or 2-jugate; Inflorescences axillary, hirsute, with very young buds. Sepals 5, margin with glands. Petals 5, elliptic, apex acute, white; Stamens 8; Fruits unknown.

Distribution

Asia-Tropical, Morobe Prov present, Papua New Guinea present
Malesia: Papua New Guinea (Morobe Prov.).

Notes

1. This species is part of the G. rigidius-cw/a-complex and is known only from two collections. These look rather different at first sight as one has much larger and less pilose leaflets. Distinctive of the species are the velutinous leaflets without papillae and the uninterrupted disc.
The shape of the leaflets, and even the hirsute appearance, resemble G. subsericea, of which specimens with a hirsute indumentum are occasionally found. The absence of papillae and the type of petal (well crested scales instead of usually crest-less auricles) are characters not found in G. subsericea.
Guioa molliuscula also resembles G. oligotricha; both have a hirsute indumentum, lack papillae (some specimens of G. oligotricha excepted), and have a uninterrupted disc. However, G. oligotricha has a different type of petal (smaller, less well developed scales, no crest), leaflets with many pockets as domatia instead of no domatia or a single sac, and often subapical teeth along the leaflet margins.

Citation

Radlk. 1933 – In: Engl., Pflanzenr. 98: 1163
Welzen 1989: p. 236. – In: Leiden Bot. Series: f. 95
Radlk. 1921 – In: Bot. Jahrb.: 280