Taiwania

Two new species of Begonia (section Petermannia, Begoniaceae) from Zamboanga del Norte, southwestern Philippines Two new species of Begonia section Petermannia, Begonia kelumaged Mazo & Rubite and B. pinulon Mazo & Rubite from the province of Zamboanga del Norte, southwestern Philippines, are hereby described. Begonia kelumaged is morphologically similar to B. bangsamoro but can be distinguished in having triangular stipules, axillary and solitary inflorescence, and smaller ovary. Begonia pinulon resembles B. everettii but differs in having oblanceolate to obovate leaf with obliquely cordate leaf base, longer panicles, narrower capsules with unequal wings. Detailed descriptions, illustrations, ecology, and proposed conservation status for the two new species are provided.

本报告描述了来自菲律宾西南部萨马邦加北省的两个新种秋海棠属植物（彼得曼亚组，秋海棠科）。分别为彼得曼亚组的秋海棠kelumaged Mazo & Rubite和秋海棠pinulon Mazo & Rubite。秋海棠kelumaged在形态上与秋海棠bangsamoro相似，但可通过其三角形托叶、腋生单生花序以及较小的子房进行区分。秋海棠pinulon则与秋海棠everettii相类，但叶片呈倒卵形至椭圆形，叶基心形斜置，穗状花序较长，蒴果较窄且翅部不等。本文提供了两个新种的详细描述、插图、生态学特征及拟定的保护状况。