Abstract
A new species from the Northern Peruvian Andes (Cajamarca department), Drymaria veliziaesp. nov., is proposed in the present paper. It grows in the high-elevation montane grasslands and it is morphologically similar to D. auriculipetala from which it differs in having elliptic-ovate leaves, blade margin bases glandular, large number of stipules arranged in a pedicel form at the leaf axis and by the short and glandular pedicels. A detailed description, original photographs and a location map are provided, as well as an updated diagnostic key of Drymaria Ser. Frutescens. The IUCN status of the new species is assessed as Endangered (EN).
Highlights
The genus Drymaria Willd. ex Schult. (Caryophyllaceae Juss.) contains 48 species mainly distributed in subtropical regions of the Western Hemisphere, whereas one species
As part of the ongoing floristic and taxonomic studies on Peruvian Flora (Montesinos-Tubée 2013; Montesinos-Tubée and Kool 2015; Montesinos-Tubée et al 2018), we found an interesting population belonging to the genus Drymaria which, cannot be identified with any of the currently known species
Drymaria veliziae is similar to D. auriculipetala Mattf. from which it differs in having glands covering the stems and pedicels, leaves with elliptic-ovate form, shorter in size (4–5.5 mm vs. 5–15 mm in D. auriculipetala), by the leaves arranged in fascicules, stipules in numbers of 14–20 per axis, pedicel size (1–2 mm long vs. 5–40 mm) and by the capsule size being smaller (1.4–1.6 mm vs. 3–4 mm)
Summary
The genus Drymaria Willd. ex Schult. (Caryophyllaceae Juss.) contains 48 species mainly distributed in subtropical regions of the Western Hemisphere (see the most recent revision of the genus by Duke 1961), whereas one species After Duke (l.c.), no studies have been made on Peruvian Drymaria taxa. On the basis of some authors (Macbride 1937; Brako and Zarucchi 1993) and our ongoing studies (Montesinos-Tubée in prep.), 24 Drymaria species (including 18 infraspecific taxa) are expected to occur in the Peruvian Andes.
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