Cinna bolanderi Scribn.

Perennials, Aquatic, leaves emergent, Terrestrial, not aquatic, Rhizomes present, Rhizome short and compact, stems close, 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 with inflorescence 1-2 m tall, Stems, culms, or scapes exceeding basal leaves, Leaves mostly cauline, Leaves conspicuously 2-ranked, distichous, Leaves sheathing at base, Leaf sheath mostly open, or loose, Leaf sheath smooth, glabrous, Leaf sheath and blade differentiated, Leaf blades linear, Leaf blades 2-10 mm wide, Leaf blades 1-2 cm wide, Leaf blades mostly flat, Leaf blades mostly glabrous, Leaf blades scabrous, roughened, or wrinkled, 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, Inflorescence solitary, with 1 spike, fascicle, glomerule, head, or cluster per stem or culm, Inflorescence a panicle with narrowly racemose or spicate branches, Inflorescence branches more than 10 to numerous, Flowers bisexual, Spikelets pedicellate, Spikelets sessile or subsessile, Sp ikelets laterally compressed, Spikelet less than 3 mm wide, Spikelets with 1 fertile floret, Spikelets solitary at rachis nodes, Spikelets all alike and fertille, Spikelets bisexual, Spikelets disarticulating below the glumes, Rachilla or pedicel glabrous, Glumes present, empty bracts, Glumes 2 clearly present, Glumes equal or subequal, Glumes equal to or longer than adjacent lemma, Glumes keeled or winged, Glumes 1 nerved, Glumes 3 nerved, Lemma similar in texture to glumes, Lemma coriaceous, firmer or thicker in texture than the glumes, Lemma 3 nerved, 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 with 1 awn, Lemma awn less than 1 cm long, Lemma awned from tip, Lemma awns straight or curved to base, Lemma margins thin, lying flat, Lemma straight, Palea present, well developed, Palea membranous, hyaline, Palea shorter than lemma, Palea 2 nerved or 2 keeled, Stamens 2, St yles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis.

Cinna bolanderi is a species of grass known by the common names Bolander's woodreed and Sierran woodreed. It is endemic to the Sierra Nevada of California, where it grows in meadows and forest, especially in moist areas. It can reach two meters in height and has a spreading inflorescence of spikelets. It blooms in late summer and fall.

Cinna bolanderi là một loài thực vật có hoa trong họ Hòa thảo. Loài này được Scribn. mô tả khoa học đầu tiên năm 1884.

Международное научное название

Cinna bolanderi Scribn. (1884)

Синонимы
Изображения
на Викискладе ITIS 501524NCBI 2042382EOL 1115315IPNI 308777-2TPL kew-405400

Охранный статус NatureServe

Исчезающие
Critically Imperiled: Cinna bolanderi

Ци́нна Бо́ландера (лат. Cínna bolánderi) — вид цветковых растений рода Цинна (Cinna) семейства Злаки (Poaceae).

Ботаническое описание

Многолетнее травянистое растение до 2 м высотой, соцветие — сложный колос, состоящий из множества колосков. Цветёт поздним летом и осенью.

Распространение и местообитание

Эндемик Сьерра-Невады в Калифорнии, где растёт на лугах и в лесах, преимущественно во влажных местах.

Примечания

Ци́нна Бо́ландера (лат. Cínna bolánderi) — вид цветковых растений рода Цинна (Cinna) семейства Злаки (Poaceae).