Begonia depressinerva (sect. Baryandra, Begoniaceae), a new species from Luzon Island, the Philippines

被引：0
|
作者：
Pranada, Mc Andrew K. [1 ]
Luna, Christine Joy S. [1 ]
Mendez, Noe P. [2 ,3 ]
Eleanor Calapatia-Salvador, Ma. [1 ]
机构：
[1] Polytech Univ Philippines, Coll Sci, Dept Biol, Anonas St, Manila 1016, Philippines
[2] Cent Mindanao Univ, Dept Biol, Coll Arts & Sci, Musuan 8710, Bukidnon, Philippines
[3] Cent Mindanao Univ, Ctr Biodivers Res & Extens Mindanao CEBREM, Musuan 8710, Bukidnon, Philippines
来源：
PHYTOTAXA | 2019年 / 425卷 / 03期
关键词：
taxonomy; Philippine flora; Begonia tayabensis; Vulnerable; General Nakar;
D O I：
10.11646/phytotaxa.425.3.5
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
A new peltate species of Begonia sect. Baryandra from Kidadayaig Falls, General Nakar, Quezon is described and illustrated here. The new species, B. depressinerva, is diagnosed against the morphologically similar B. tayabensis. The two species are similar by having rhizomatous stem, peltate, ovate leaf, and 5-tepalled pistillate flower, but the new species is remarkably different by having densely pilose, asymmetric leaf blade, densely pilose petiole that is inserted much closer to the basal margin, obtuse to subobtuse staminate flower outer tepal apex, and glandularly hairy ovary. B. depressinerva is proposed to be Vulnerable (VU) D1, following the guidelines of the IUCN.
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收藏
页码：154 / 162
页数：9
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