Northeastern Asian Flora
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Fimbristylis dichotoma (L.) Vahl   (redirected from: Fimbristylis tashiroana Ohwi)
Family: Cyperaceae
[Eleocharis dichotoma (L.) H.Karst., moreFicinia ambigua Steud., Fimbristylis affinis J.Presl & C.Presl, Fimbristylis alamosana Fernald, Fimbristylis ambigua Steud., Fimbristylis annua (All.) Roem. & Schult., Fimbristylis annua f. brizoides (Sm. ex Nees & Meyen) K?., Fimbristylis annua f. oblonga K?., Fimbristylis annua f. tomentosa (Vahl) K?., Fimbristylis annua var. brizoides (Sm. ex Nees & Meyen) A.Gross & Brade, Fimbristylis annua var. diphylla (Retz.) K?., Fimbristylis annua var. gaimardioides Skottsb., Fimbristylis annua var. paucispiculata Blatt. & McCann, Fimbristylis annua var. pseudoferruginea K?., Fimbristylis arenicola Wiggins, Fimbristylis baldwiniana (Schult.) Torr., Fimbristylis boiviniana Steud., Fimbristylis brachyphylla (Schult.) Schult., Fimbristylis brizoides Sm. ex Nees & Meyen, Fimbristylis brizoides var. humboldtiana Nees, Fimbristylis brizoides var. pallens Nees, Fimbristylis brizoides var. tenuifolia Nees, Fimbristylis calocarpa Steud., Fimbristylis candelabrum Link, Fimbristylis caripensis Steud., Fimbristylis castanea var. puberula (Michx.) Britton ex House, Fimbristylis cincta Nees, Fimbristylis circinnata Steud., Fimbristylis communis Kunth, Fimbristylis confinis Steud., Fimbristylis curvifolia (Schrad.) Steud., Fimbristylis darlingtoniana Pennell, Fimbristylis dichotoma f. annua (All.) Ohwi, Fimbristylis dichotoma f. cincta (Nees & Meyen) T.Koyama, Fimbristylis dichotoma f. diphylla (Retz.) Ohwi, Fimbristylis dichotoma f. floribunda (Miq.) Ohwi, Fimbristylis dichotoma f. gracillima T.Koyama, Fimbristylis dichotoma f. tentsuki T.Koyama, Fimbristylis dichotoma subsp. podocarpa (Nees & Meyen) T.Koyama, Fimbristylis dichotoma subsp. tashiroana (Ohwi) T.Koyama, Fimbristylis dichotoma var. annua (All.) T.Koyama, Fimbristylis dichotoma var. cincta (Ohwi) Ohwi, Fimbristylis dichotoma var. diphylla (Retz.) T.Koyama, Fimbristylis dichotoma var. floribunda (Miq.) T.Koyama, Fimbristylis dichotoma var. glaberrima Boeckeler, Fimbristylis dichotoma var. laxa (Vahl) Napper, Fimbristylis dichotoma var. nilagirica (C.B.Clarke) Karth., Fimbristylis dichotoma var. ochotensis (Meinsh.) Honda, Fimbristylis dichotoma var. pallidisquama Ohwi, Fimbristylis dichotoma var. paucispiculata (Blatt. & McCann) Panigrahi, Fimbristylis dichotoma var. pluristriata (C.B.Clarke) Napper, Fimbristylis dichotoma var. poladpurensis D.P.Chavan, Fimbristylis dichotoma var. tashiroana (Ohwi) Ohwi, Fimbristylis dichotoma var. tentsuki T.Koyama, Fimbristylis dichotoma var. tikushiensis (Hayata) T.Koyama, Fimbristylis dichotomoides T.Tang & F.T.Wang, Fimbristylis diffusula Steud., Fimbristylis diphylla (Retz.) Vahl, Fimbristylis diphylla f. coarctata Domin, Fimbristylis diphylla f. glabra Domin, Fimbristylis diphylla f. royeniana (Nees) C.B.Clarke, Fimbristylis diphylla f. subpubescens Domin, Fimbristylis diphylla subsp. diffusa D.B.Ward, Fimbristylis diphylla var. annua (All.) C.B.Clarke, Fimbristylis diphylla var. depauperata C.B.Clarke, Fimbristylis diphylla var. floribunda Miq., Fimbristylis diphylla var. gracilis (R.Br.) Benth., Fimbristylis diphylla var. laxa E.G.Camus, Fimbristylis diphylla var. nilagirica C.B.Clarke, Fimbristylis diphylla var. paucispiculata Cherm., Fimbristylis diphylla var. pluristriata C.B.Clarke, Fimbristylis diphylla var. podocarpa (Nees) K?., Fimbristylis diphylla var. polystachya Domin, Fimbristylis diphylla var. tomentosa (Vahl) Benth., Fimbristylis dregeana Kunth, Fimbristylis eggersii Boeckeler, Fimbristylis elongata R.Br., Fimbristylis foliosa Link, Fimbristylis fuscata Steud., Fimbristylis fuscescens (Link) Steud., Fimbristylis germainii E.G.Camus, Fimbristylis goeringiana Steud., Fimbristylis gracilis R.Br., Fimbristylis heynei Boeckeler, Fimbristylis hirtella Vahl, Fimbristylis holwayana Fernald, Fimbristylis hookeri Endl., Fimbristylis humboldtii J.Presl & C.Presl, Fimbristylis juncifolia J.Presl & C.Presl, Fimbristylis laxa Vahl, Fimbristylis luzuliformis Domin, Fimbristylis mauritiana Nees ex Kunth, Fimbristylis metzii Steud., Fimbristylis mezostachya Link, Fimbristylis nitidula Schult., Fimbristylis novae-britanniae Boeckeler, Fimbristylis obtusifolia Nees ex C.Presl, Fimbristylis ochotensis (Meinsh.) Kom., Fimbristylis ovalis Nees, Fimbristylis parviflora R.Br., Fimbristylis philippica Steud., Fimbristylis pluristriata (C.B.Clarke) Berhaut, Fimbristylis podocarpa Nees & Meyen, Fimbristylis pohliana Steud., Fimbristylis polymorpha Boeckeler, Fimbristylis pubescens Link, Fimbristylis pubigera Link, Fimbristylis ramosii K?., Fimbristylis royeniana Nees, Fimbristylis scherardii Bubani, Fimbristylis sechellensis Baker, Fimbristylis serrulata Vahl, Fimbristylis similis Steud., Fimbristylis sororia Kunth, Fimbristylis spadicea var. puberula (Michx.) Chapm., Fimbristylis squamulosa Hochst. ex Boeckeler, Fimbristylis striata Labill., Fimbristylis stricta R.Br., Fimbristylis subtristachya Steud., Fimbristylis tashiroana Ohwi, Fimbristylis tashiroana var. cincta Ohwi, Fimbristylis tikushiensis Hayata, Fimbristylis tomentosa Vahl, Fimbristylis trifurca Nees, Fimbristylis variabilis R.Br., Fimbristylis verrucosa J.Presl & C.Presl, Fimbristylis verrucosa var. glabrescens J.Presl & C.Presl & C.Presl, Fimbristylis verrucosa var. hirsuta J.Presl & C.Presl & C.Presl, Fimbristylis villosa (Poir.) Roem. & Schult., Iria obtusifolia (Lam.) Hitchc., Iria polymorpha (Boeckeler) Kuntze, Iria spirostachya Kuntze, Iria stricta (R.Br.) Kuntze, Isolepis brachyphylla Schult., Isolepis curvifolia Schrad., Isolepis dichotoma (L.) Kunth, Isolepis elliottii (Spreng.) A.Dietr., Isolepis obtusifolia (Lam.) Roem. & Schult., Isolepis pallescens (Link) A.Dietr., Isolepis pubigera Rchb. ex Kunth, Isolepis varia Schrad. ex Nees, Scirpus annuus All., Scirpus arvensis Roxb., Scirpus baldwinianus Schult., Scirpus dichotomus L., Scirpus diphyllus Retz., Scirpus elliottii Spreng., Scirpus fimbriatus (Nees) Boeck, Scirpus fuscescens Link, Scirpus hirtellus Vahl, Scirpus laxus (Vahl) Poir., Scirpus niloticus Blanco, Scirpus nitidulus Willd. ex Kunth, Scirpus obtusifolius Lam., Scirpus ochotensis Meinsh., Scirpus pallescens Roxb., Scirpus puberulus Michx., Scirpus pubigerus Bernh. ex Link, Scirpus serrulatus (Vahl) Vahl, Scirpus tomentosus Poir., Scirpus villosus Poir., Trichelostylis curvifolia (Schrad.) Nees, Trichelostylis obtusifolia (Lam.) Nees, Trichelostylis stricta (R.Br.) Nees]
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  • Japan Flora
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Japan Flora: Rhizomes very short or nearly absent; culms 15-50 cm. long, compressed, glabrous or hairy; leaves flat, 1.5-5 mm. wide, abruptly acute, hairy, rarely nearly glabrous, the sheath frequently hairy; inflores­cence umbelliform, compound, usually somewhat hairy, the lowest bract linear, longer or shorter than the inflorescence; spikelets usually rather numerous, ovoid or narrowly so, 5-8 mm. long, 2.5-3 mm. thick, terete, acute, sessile or short- peduncled, fulvous to tawny, frequently somewhat reddish brown, lustrous; scales ovate-orbicular, 2-3 mm. long, obtuse and often short-mucronate, not keeled, glabrous; achenes broadly obovate, 0.8-1.2 mm. long, biconvex, light yellow, with elevated, transversely oblong reticulations; stamens 2 or 3, the anthers 0.5-0.8 mm. long.  Rather wet places in low­ lands; Hokkaido, Honshu, Shikoku, Kyushu; in all warmer regions of the world. Very common and widely variable, the following forms noted from this area.                   

f. floribunda (Miq.) Ohwi.  Robust; spikelets numerous; culms slighdy thickened at base; nearly glabrous throughout. 

f. tomentosa (Vahl) Ohwi. Leaf-sheatlis densely to­mentose, otherwise as in F. floribunda.

f. depauperata (C. B. Clarke) Ohwi. Slender; leaves fili­form; spikelets few, usually 1 or 2.

var. tashiroana (Ohwi) Ohwi. Leaves 1-2 mm. wide, glabrous; spike­lets narrow, 8-15 mm. long, the lateral ones on long peduncles 2-7 cm. long; scales oblong, 4 mm. long; achenes obovate- deltoid; anthers 1.2-1.8 mm. long. Aug.-Oct. Near moun­tain hot springs;  Kyushu.     

f. cincta (Ohwi) Ohwi.  Leaves hairy, 2-3 mm. wide.

Fimbristylis dichotoma
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National University and Korea National Arboretum of Korea Forest Service.
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