Bambu hitam (Indonesia); Kayali, patong (Tag.)
Gigantochloa atter (Hassk.) Kurz
Bambusa thouarsii Kunth var. atter Hassk. (1948). Gigantochloa verticilla (Willd.) Munro sensu Backer (p.p)
Culms 12-25 m tall, closely tufted, about 100 culms per clump. Young culms powdery waxy. Nodes with distinct pale, lower ones with few aerial roots of up to 1.5 cm long. Internodes bluish-green, 11-35 cm long, 4-10 cm in diameter, wall 0.8-2.0 cm thick, with dark brown appressed glabrescent hairs on upper part. Culm sheaths deciduous, 21-34 cm long, with black hairs outside, and fine hairs at the margin; blade lanceolate; ligule irregularly toothed, 3-5 mm high; auricles rounded with 4-6 mm long bristles; on young shoot yellow green to golden yellow with brown to black apprised hairs and black margin. Branches 2-6 with dominant primary one at mid-culm, up to 3 m long. Leave blades oblong-lanceolate, petiole 3-8 cm long; auricles firm and low, 2 mm x 1 mm; ligule 2-7 mm high. Inflorescences and fruit not seen.
Thrives well in the tropis up to 1400 m altitude.
Culm used as building materials, in making household utensils and handicrafts. Sometimes used in Daao as bananas props if B philippinensis is not available. Young shoots eaten as vegetable.
It can be easily distinguished from other Gigantochloa species by its rounded, slightly outward culm sheath auricles and narrowly triangular culm sheath with truncate apex.