Gironniera subaequalis Planch., Ann. Sc. Nat. 3, 10: 339 (1848)

Latin for 'almost the same'.

Synonyms
Gironniera amboinensis Lauterb
Gironniera blumei Gand.
Gironniera borneensis Gand.
Gironniera chinensis Benth
Gironniera costata Miq.
Gironniera ferruginea Gand.
Gironniera korthalsii Gand.
Gironniera longifolia Craib
Gironniera mollissima Gagnep.
Gironniera nervosa var. subaequalis (Planchon) Kurz.
Gironniera subaequalis var. brevistylis Blume
Gironniera subaequalis var. papuana J.J.Sm.
Gironniera subaequalis var. scabrida Blume
Gironniera subaequalis var. serrulata Blume
Gironniera sumatrana Gand.
Helminthospermum scabridum Thwaites
Sponia annulata Teijsm. & Binn.

Diagnostics
Similar to Gironniera nervosa, but mostly glabrous and leaves with fewer secondary veins.

Description
Trees, 10-20(-30) m tall, d.b.h. 25-50(-100) cm, dioecious. Bark gray to dark gray, smooth. Branchlets yellowish green or brown, covered with hirsute hairs. Stipules opposite, lanceolate, 1-2.7 cm, abaxially strigose. Petiole 4-12 mm, strigose; leaf blade elliptic to elliptic-oblong, 10-25 4.5-10 cm, leathery, abaxially green, scabridulous, and with appressed hairs on major veins, adaxially pale green and glabrous, base symmetric, margin bluntly serrate or subentire, apex shortly caudate-acuminate; secondary veins 8-12 on each side of midvein. Rachis sparsely strigose. Male inflorescences highly branched. Female inflorescences racemose. Male flowers: ca. 2 mm in diam., tepals and anthers strigose. Infructescences with 1-5 drupes. Drupes subsessile or short-stalked, broadly ovoid to broadly ellipsoid, 4-8 mm in diam., laterally compressed; perianth and style persistent; endocarp reddish orange when mature, with 2 obtuse ribs. [from Flora of China]

Ecology
In forested valleys, beside streams; 100-1300 m elevation.

Uses
The wood is used for furniture and other purposes, the bark fiber is used for manufacturing staple rayon, and the leaves are used medicinally.

Distribution
From southern China to New Guinea.

Local names
Anambas Island: Pupoh.
Borneo: Kuayum (Dusun), Katul, Ruwayon (Dusun), Untoh bulu (Iban).
Java: Ki bulu.
Malaysia: Hampas tebu, Medang kasap.
New Guinea: Bobohufeka (Manikiong), Gawa (Mooi), Gewa (Mooi), Megawa (Mooi), Nadjun (Kebar), Nitjun (Kebar), Warpis (Biak).
Sumatra: Silu, Siluk.