Cyperaceae taxon details
Carex thailandica T.Koyama
1676184 (urn:lsid:marinespecies.org:taxname:1676184)
accepted
Species
terrestrial
recent only
Koyama, T. (1979). Studies in the Cyperaceae of Thailand III. New and critical species of the Cariceae. Botanical Magazine, Tokyo, 92: 217-233., available online at https://doi.org/10.1007/bf02497932
page(s): 220 [details] Available for editors
[request]
page(s): 220 [details] Available for editors
[request]
Holotype AAU, geounit Thailand
Holotype AAU, geounit Thailand [details]
Description Stoloniferous perennial. Culm solitary, 20–40 cm by 0.8–1.5 mm, triquetrous, smoothish to scabrid on angles. Leaves...
Description Stoloniferous perennial. Culm solitary, 20–40 cm by 0.8–1.5 mm, triquetrous, smoothish to scabrid on angles. Leaves mostly basal, 1 cauline; blade narrowly linear, 30–50 cm by 3–5 mm, long-acuminate, flattish-plicate, margins recurved; sheath 2–5 cm long, pale green to dark brown, basal sheaths becoming fibrous. Lowest involucral bract leaf-like, 20–30 cm long. Inflorescence narrow, paniculate, 12–20 by 2–3 cm; nodes 3–5, lower 1–2 distant, upper crowded, each subtending 1 partial inflorescence; partial inflorescence ovoid to ellipsoid, 2–4 cm long, branched below, branches 8–15 mm long. Spikes turbinate, 0.5–0.9 cm long, androgynous, upper section male, lower female. Female glumes ovate-elliptic to ovate-lanceolate, 2.3–2.8 mm long, acute to subacute, shortly awned, sides pale brown, 3–4-nerved, keel 3-nerved. Utricles patent, ovoid to ovoid-cylindric, trigonous, 4 by 1.3–1.5 mm, pale green, 12–16-nerved, glabrous; beak 1.5–2 mm long, apex slightly 2-toothed. Stigmas 3. Nutlets narrowly rhomboid-ellipsoid to rhomboid-ovoid, triquetrous, 2–2.5 by 1–1.5 mm. [details]
Cyperaceae Working Group. (2026). [see How to cite]. Global Cyperaceae Database. Carex thailandica T.Koyama. Accessed at: https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1676184 on 2026-06-09
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2024-12-10 11:47:54Z
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db_admin
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Nomenclature
original description
Koyama, T. (1979). Studies in the Cyperaceae of Thailand III. New and critical species of the Cariceae. Botanical Magazine, Tokyo, 92: 217-233., available online at https://doi.org/10.1007/bf02497932
page(s): 220 [details] Available for editors [request]
page(s): 220 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
Holotype AAU, geounit Thailand [details]
Isotype BKF, geounit Thailand [details]
Isotype NY 00011552, geounit Thailand [details]
From editor or global species database
Description Stoloniferous perennial. Culm solitary, 20–40 cm by 0.8–1.5 mm, triquetrous, smoothish to scabrid on angles. Leaves mostly basal, 1 cauline; blade narrowly linear, 30–50 cm by 3–5 mm, long-acuminate, flattish-plicate, margins recurved; sheath 2–5 cm long, pale green to dark brown, basal sheaths becoming fibrous. Lowest involucral bract leaf-like, 20–30 cm long. Inflorescence narrow, paniculate, 12–20 by 2–3 cm; nodes 3–5, lower 1–2 distant, upper crowded, each subtending 1 partial inflorescence; partial inflorescence ovoid to ellipsoid, 2–4 cm long, branched below, branches 8–15 mm long. Spikes turbinate, 0.5–0.9 cm long, androgynous, upper section male, lower female. Female glumes ovate-elliptic to ovate-lanceolate, 2.3–2.8 mm long, acute to subacute, shortly awned, sides pale brown, 3–4-nerved, keel 3-nerved. Utricles patent, ovoid to ovoid-cylindric, trigonous, 4 by 1.3–1.5 mm, pale green, 12–16-nerved, glabrous; beak 1.5–2 mm long, apex slightly 2-toothed. Stigmas 3. Nutlets narrowly rhomboid-ellipsoid to rhomboid-ovoid, triquetrous, 2–2.5 by 1–1.5 mm. [details]
