Carex brevicaulis Thouars

作者：Pablo García‐Moro, RAÚL LOIS, Kerry A. Ford, Isabel Larridon, Germinal Rouhan, Eric H. Roalson, Pedro Jiménez‐Mejías · 发表于：Zenodo (CERN European Organization for Nuclear Research) · 年份：2026 · DOI：10.5281/zenodo.21478684 · 研究领域：Botany, Ecology, and Taxonomy Studies、Plant Taxonomy and Phylogenetics、Plant Ecology and Taxonomy Studies

Carex brevicaulis Thouars, Esquisse Fl. Tristan d’Acugna: 35 (1808). Figs 5 A, 6 A ≡ Uncinia brevicaulis Thouars, Esquisse Fl. Tristan d’Acugna: 35 (1808). Lectotype (here designated). Tristan d’Acugna • Herbier du Petit-Thouars (P 04023173!). = Uncinia brevicaulis var. gracilior Hemsl., Rep. Voy. Challenger, Bot. 1 (3): 160, tab. XLVI (1885). Lectotype (here designated). “ Uncinia gracilis, ” Tristan d’Acugna • Herbier du Petit-Thouars (P 04023166!). Etymology. From the Latin brevis -, short, and the Greek kaulos, stem. Description. Plants laxly caespitose, with short rhizomes. Fertile culms 13.5–61.0 cm long, 0.8–2.0 mm wide, erect or slightly curved, shorter to longer than leaves, subrounded to obtusely trigonous, smooth. Leaves 30.3–64.8 (76.0) cm long, the widest ones 3.5–5.7 mm wide, the uppermost leaf 1.1–5.3 mm wide, coriaceous, flat to slightly M-shaped, the margins antrorsely scabrid. Inflorescence a solitary, androgynous spike, 8–16.5 (18.0) cm × 3.8–7.6 mm, bractless or occasionally the lowermost glume developing into a setaceous bract up to as long as the spike, never surpassing it, long-oblong, cylindrical, densely flowered, with usually more than 60 pistillate flowers, ripe utricles adpressed to ascendant; staminate portion 7.4–21.7 (25.0) mm long. Pistillate glumes from the middle part of the spike 5.2–9.8 × 1.6–2.6 mm, with 2.0– 5.2 mm from base to the widest point, 1.1–1.8 mm wide at half-length from the widest point to the tip, longer than the utricles, ell...