海滨三棱草查看源代码讨论查看历史
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海滨三棱草
中文学名:海滨三棱草
界:植物界
亚界:绿色植物亚界
总门:轮藻总门
门:木贼门（有胚植物门）
亚门:木贼亚门（维管植物亚门）
纲:木兰纲（被子植物纲）
目:禾本目
科:莎草科
亚科:薹草亚科
族:薹草族
属:薹草属
种:海滨三棱草
简介
4.Bolboschoenus maritimus (Linnaeus) Palla in Hallier & Brand Syn. Deut. Schweiz. Fl., ed. 3. 3: 2531. 1905.
海滨三棱草 hai bin san leng cao
Scirpus maritimus Linnaeus, Sp. Pl. 1: 51. 1753; Schoenoplectus maritimus (Linnaeus) Lye.
Rhizomes creeping, terminated by a small ovoid tuber. Culms 25-50[-150] cm tall, 3-angled, smooth. Leaf sheath fronts with veinless triangular to rhombic area at summit; leaf blade linear, 2-6[-12] mm wide, flat, ± stiff, apical ones longer than or as long as culm. Involucral bracts 2 or 3, leaflike, overtopping inflorescence. Inflorescences of 1-10 spikelets, capitate [rarely with short rays]. Spikelets ovoid to narrowly ovoid, 10-16 × 3.5-7 mm, many flowered. Glumes bright orangish brown to stramineous, oblong-ovate, 5-8 mm, membranous, abaxially ± pubescent, 1-veined costa excurrent into a 1-3 mm awn, apex 2-cleft. Perianth bristles 6, ca. 1/2 as long as nutlet, retrorsely scabrous, usually not persistent on nutlet. Stamens 3; anthers linear-oblong, 2-4 mm; connective apex conic, ca. 0.5 mm. Style slender; stigmas 2, ± as long as style. Nutlet dark brown, broadly obovoid, ca. 2.5 mm, biconvex [compressed 3-sided], shiny, apex rounded to truncate. Fl. and fr. Jun-Sep. 2n = 64, 104, 112.
Coastal marshes; near sea level. Taiwan, Xinjiang [Afghanistan, India, Japan, Kazakhstan, Kyrgyzstan, Pakistan, Russia, Turkmenistan, Uzbekistan; Africa, SW Asia, Atlantic Ocean islands, Europe, North and South America, Pacific islands].
This species is known in Taiwan from a single collection: Taiwan: "Takow," A. Henry 1818 (MO).This species is known in Taiwan from a single collection: Taiwan: "Takow," A. Henry 1818 (MO).
分布范围
新疆维吾尔自治区、台湾省。