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FOC | Family List | FOC Vol. 8 | Saxifragaceae | Saxifraga

121. Saxifraga cinerascens Engler & Irmscher, Notes Roy. Bot. Gard. Edinburgh. 5: 142. 1912.

灰虎耳草 hui hu er cao

Ciliaria cinerascens (Engler & Irmscher) Losinskaja; Saxifraga cinerascens f. major Engler & Irmscher.

Stem simple, 5-8.5 cm tall, glandular hairy. Leaf buds present in axils of proximal nodes, developing by anthesis into sterile shoots clustered below primary leaf rosette. Supraproximal leaves aggregated into a rosette, gray; petiole broad; leaf blade oblong to oblanceolate, 1.1-1.2 cm × 1.9-2 mm, leathery, rigid, both surfaces glabrous, margin cartilaginous eglandular (occasionally glandular) setose-ciliate, apex cartilaginous aristate. Distal cauline leaves sessile, gray, oblong, usually smaller than rosette leaves, 5-7 × 1.5-2 mm, leathery, rigid, abaxially occasionally with a few eglandular hairs, adaxially glabrous, margin cartilaginous glandular hairy, apex cartilaginous aristate. Cyme 2-4-flowered or flower solitary; pedicels 6-10 mm, glandular hairy. Sepals erect to spreading, subovate to subelliptic, ca. 2 × 1.5 mm, leathery, rigid, glabrous or abaxially and marginally glandular hairy, veins 3 or 4, confluent at apex, apex acute. Petals yellow, obovate to subpandurate, ca. 6 × 4 mm, 2-callose near base, 5-7-veined, base contracted into a claw 1-1.5 mm. Stamens 2.5-4 mm. Ovary subsuperior, ovoid, ca. 2 mm; styles ca. 1 mm. Fl. and fr. Aug-Sep.

* Alpine meadows, cliff ledges, rock crevices; 2800-4400 m. NW Yunnan.


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