Perityle cernua (Greene) Shinners
Family: Asteraceae
[Laphamia cernua Greene]
Perityle cernua image
Patrick Alexander  
Plants 3-12(-20) cm (closely appressed to rocks); glabrate or with transparent, multicellular hairs on petioles, peduncles, and phyllaries. Leaves: petioles 7-25 mm; blades ovate-reniform to ovate-cordate, 10-40 × 8-40 mm, margins unevenly serrate-dentate. Heads borne singly (nodding or erect), 10-12 × 12-14 mm. Peduncles 10-19 mm. Involucres broadly campanulate. Phyllaries 18-28, linear-lanceolate, 6-9 × 1.2-2 mm. Disc florets 20-150; corollas yellow, tubes 1.2-2 mm, throats narrowly funnelform, 2-3.3 mm, lobes 0.7-0.8 mm. Cypselae 2.1-3 mm; pappi of 25-35 bristles 0.5-1.5(-2) mm. 2n = 34 + 1 frag. Flowering spring-fall. Limestone or igneous cliffs and slopes; of conservation concern; 1600-3000 m; N.Mex. Perityle cernua is known only from the Organ Mountains of Doña Ana County.

Perityle cernua image
Patrick Alexander  
Perityle cernua image
Patrick Alexander  
Perityle cernua image
Patrick Alexander  
Perityle cernua image
Patrick Alexander  
The National Science Foundation
This project made possible by National Science Foundation Award 1410069