Festuca yulungschanica E. Alexeev Byull. Mosk. Obshch. Ispyt. Prir. Biol. 83(4): 116. 1978.
Àö½Ñòé LI JIANG YANG MAO.
Festuca rubra Linnaeus var. genuina Handel-Mazzetti. Type: Handel-Mazzetti, No. 4261, 20, VII, 1914 (W). Subg. Festuca L. sect. Aulaxyer.
Vegetative morphology. Plants densely tufted. Plants with shoots intravaginal. Culms 18–26 cm tall. Sheaths glabrous. Sheaths open more than half their length. Auricles erect swellings, or absent. Leaf blades filiform. Leaf blades conduplicate. Leaf blades adaxial surfaces with trichomes. Leaf blades adaxial surfaces scabrous (sparely). Leaf blades margins smooth. Leaf blades 0.4–0.6 mm wide. Veins 5. Adaxial to abaxial sclerenchyma strands absent. Abaxial sclerenchyma poorly developed. Abaxial sclerenchyma in narrow or discrete strands. Ribs 3–5.
Floral morphology. Inflorescences contracted. Inflorescences 4.5–6 cm long. Inflorescences branches scabrous on the angles. Spikelets 8–10 mm long. Spikelets greenish (ovate). Lemmas 5–5.5 mm long. Lemmas lanceolate. Lemmas glabrous. Lemmas apices awns (1.5–)2.5–5.5 mm long. Lemmas apices awns much shorter than the lemmas, or about as long as the lemmas. Paleas keels scaberulous, or scabrous. Anthers 2.3–2.8 mm long. Ovary apices glabrous.
Ecology. In subalpine grassy places, or mountain slopes; 3300–3700 m. Distribution. Southwestern China: Yunnan.
Notes. Alexeev (1978) placed this taxon in section Festuca and provided a rubra-like leaf cross section.
Illustrations. • Distribution map.
Cite this publication as: ‘Xiang Chen, S.G. Aiken, and M.J. Dallwitz (2002 onwards). Festuca of China: Descriptions, Illustrations, Identification, and Information Retrieval. Version: 4th February 2003. http://www.cdelta.ibcas.ac.cn’.
