生活型

herb

形態特徵

• A rhizomatous Oberonia. Similar to var. humilum in most aspects. Plant including inflorescence ca. 4.5 cm tall. Rhizome distinct, creeping, branching, covered by short sheaths, sheaths tubular. Plants arranged ca. 0.6 cm apart.
• Leaves 3~5, laterally compressed, distichous; blade thick, fleshy, ovate or ovate-lanceolate, up to 13 mm long, 5 mm wide, apex acute.
• Inflorescence 2~3 cm long, with numerous small closely arranged flowers; anthesis begins from terminus of spike; bracts ovate, 1.8 mm long, apex acute. Flowers greenish-brown, 1.2~1.5 mm in diameter, not resupinate, not arranged in a whole-like; lateral sepals reflexed, 0.8 mm long. Lip curved forward, oblong without a lobe, 1.0 mm long, 0.6 mm wide, greenish-brown, base slightly surrounding column, margins obscurely erose-denticulate. Column short; anther operculate, broadly ovate, 2-celled; pollinia 2.

物候

Flowering time: Both varieties of <i>Oberonia pumilum</i> flower in May.

分布

• 台灣 : Found between Lungshi ( 龍溪) and Lungchien ( 瀧 澗 ), Hualien Co. at an elevation of 900 m in broadleaf forests.

引證標本

Wei-Min Lin s. n. (holo TAI 268956, between Lungshi and Lungchien, Hualien Co.).