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A revision of Prescottia (Orchidaceae: Orchidoideae, Cranichideae)

2014; Q15088586; Volume: 178; Issue: 4 Linguagem: Inglês

10.11646/phytotaxa.178.4.1

1179-3163

Cecí­lia Oliveira de Azevedo, Cássio van den Berg, Fábio de Barros,

Plant Diversity and Evolution

This study of Prescottia is based on fieldwork, in situ observations and study of herbarium material. Fifteen species are recognised for Prescottia: P. carnosa, P. densiflora, P. ecuadorensis, P. glazioviana, P. lancifolia, P. leptostachya, P. lojana, P. montana, P. mucugensis, P. oligantha, P. ostenii, P. phleoides, P. plantaginifolia, P. spiranthophylla, and P. stachyodes. Seven lectotypifications, one neotypification, and six new synonymies are proposed. Prescottia spiranthophylla is re-established, and three nomina nuda are listed. Descriptions, a key to the species, illustrations, and distribution maps are provided.