Festuca taiwanensis S. L. Lu Acta Phytotax. Sin. 30(6): 537. 1992.
¹âïûÑòé GUANG FU YANG MAO.
Festuca formosana E. Alexeev, Byull. Mosk. Obshch. Ispyt. Prir. Biol. 83(5): 98. 1978, non F. formosana Honda (1928). Type: W.R.Prince. No. 993 23/X 1912 (K). Subg. Festuca L. sect. Festuca.
Vegetative morphology. Plants densely tufted. Plants with bases not purplish. Plants with shoots intravaginal. Culms 15–30 cm tall. Culms internodes glabrous. Sheaths closed more than half their length. Auricles erect swellings, or absent. Leaf blades filiform. Leaf blades conduplicate. Leaf blades 5–12 cm long. Leaf blades margins smooth. Leaf blades 0.6–0.8 mm wide. Veins 5, or 7. Adaxial to abaxial sclerenchyma strands absent. Abaxial sclerenchyma well developed. Abaxial sclerenchyma in broad bands or continuous (ring-like). Ribs 3.
Floral morphology. Inflorescences contracted. Inflorescences 2.5–4.5 cm long. Inflorescences branches scabrous on the angles. Spikelets 8–9 mm long. Spikelets greenish (ovate). Florets 4–6. Lemmas 5.5–5.7 mm long. Lemmas lanceolate. Lemmas glabrous. Lemmas apices awns 2–2.5 mm long. Paleas keels glabrous, or scaberulous. Anthers 1.8–2 mm long. Ovary apices glabrous.
Ecology. Among rocks, open ridge of mountain; 4300 m. Distribution. Southern China: Taiwan.
Notes. Lu (1992) placed this taxon in subg. Festuca, sect. Festuca.
Illustrations. • Leaf anatomy. Leaf cross section from Byull. Mosk. Obshch. Ispyt. Prir. Biol. 83(5): 98. 1978, published by E. Alexeev as F. formosana. Leaf blades filiform, conduplicate (greenish), 0.6–0.8 mm wide; veins 5, or 7; adaxial to abaxial sclerenchyma strands absent; abaxial sclerenchyma well developed, in broad bands or continuous (ring-like); ribs 3 (not well developed). • 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’.
