Festuca lenensis Drobow

Perennial s, Terrestrial, not aquatic, Stems nodes swollen or brittle, Stems erect or ascending, Stems caespitose, tufted, or clustered, Stems terete, round in cross section, or polygonal, Stem internodes hollow, Stems with inflorescence less than 1 m tall, Stems, culms, or scapes exceeding basal leaves, Leaves mostly basal, below middle of stem, Leaves mostly cauline, Leaves conspicuously 2-ranked, distichous, Leaves sheathing at base, Leaf sheath mostly closed, Leaf sheath smooth, glabrous, Leaf sheath and blade differentiated, Leaf blades linear, Leaf blade auriculate, Leaf blades very narrow or filiform, less than 2 mm wide, Leaf blades 2-10 mm wide, Leaf blade margins folded, involute, or conduplicate, Leaf blades mostly glabrous, Ligule present, Ligule an unfringed eciliate membrane, Inflorescence terminal, Inflorescence an open panicle, openly paniculate, branches spreading, Inflorescence a contracted panicle, narrowly paniculate, branches appressed or ascending, Inflorescenc e solitary, with 1 spike, fascicle, glomerule, head, or cluster per stem or culm, Inflorescence branches more than 10 to numerous, Flowers bisexual, Spikelets pedicellate, Spikelets laterally compressed, Spikelet less than 3 mm wide, Spikelets with 3-7 florets, Spikelets solitary at rachis nodes, Spikelets all alike and fertille, Spikelets bisexual, Spikelets disarticulating above the glumes, glumes persistent, Spikelets disarticulating beneath or between the florets, Rachilla or pedicel glabrous, Glumes present, empty bracts, Glumes 2 clearly present, Glumes distinctly unequal, Glumes shorter than adjacent lemma, Glumes 1 nerved, Glumes 3 nerved, Lemma similar in texture to glumes, Lemma coriaceous, firmer or thicker in texture than the glumes, Lemma 5-7 nerved, Lemma glabrous, Lemma apex acute or acuminate, Lemma awnless, Lemma mucronate, very shortly beaked or awned, less than 1-2 mm, Lemma margins thin, lying flat, Lemma straight, Palea present, well developed, Palea abo ut equal to lemma, Palea longer than lemma, Palea 2 nerved or 2 keeled, Stamens 3, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis, Caryopsis ellipsoid, longitudinally grooved, hilum long-linear.

Ленийн ботууль - (англ. Festuca lenensis), (орос. Овсяница ленская)

Хялгас мэт хуйлмал, нарийхан богино хатуу навчтай, 15-20 см өндөр, дэгнүүл үүсгэдэг олон наст үет ургамал. Навч нь хөндлөн огтлолоороо 0,8-1,2 см өргөн говилтой байдаг. Тавдугаар сард буталж хавар эрт ургадаг ургамлын нэг. Зургаадугаар сарын эцэс, долоодугаар сарын эхээр цэцэглэж, наймдугаар сард үрлэж сарын сүүлчээс хагдарч эхэлнэ. Хагд өвс нь сайн хадгалагдаж өвөлждөг.

Уул, толгодын чулуурхаг хажуу, хайргатай энгэр, байцын ёроолд ургана..

Festuca lenensis, also known as the tundra fescue, is a species of grass in the family Poaceae. It is native throughout Siberia to the far east of Russia and Subarctic America. It is perennial, and mainly grows in subalpine or subarctic biomes. Festuca lenensis was first published in 1915.

Festuca lenensis là một loài thực vật có hoa trong họ Hòa thảo. Loài này được Drobow mô tả khoa học đầu tiên năm 1915.