学名(拉丁名) | Scleria rugosa |
中文名 | 垂序珍珠茅 |
中文科名 | 莎草科 |
拉丁属名 | Scleria |
类型 | species |
拉丁科名 | Cyperaceae |
中文属名 | 珍珠茅属 |
学名(拉丁名) | Scleria rugosa |
中文名 | 垂序珍珠茅 |
中文科名 | 莎草科 |
类型 | |
拉丁科名 | CYPERACEAE |
学名(拉丁名) | Scleria rugosa |
中文名 | 垂序珍珠茅 |
中文科名 | 莎草科 |
类型 | |
拉丁科名 | CYPERACEAE |
学名(拉丁名) | Scleria rugosa |
命名人 | R.Br. (accepted name) |
拉丁属名 | Scleria |
类型 | species |
拉丁科名 | Cyperaceae |
学名(拉丁名) | Scleria rugosa |
命名人 | R.Br. |
发表年份 | 1810(年) |
拉丁属名 | Scleria |
类型 | species |
拉丁科名 | Cyperaceae |
学名(拉丁名) | Scleria rugosa |
中文名 | 垂序珍珠茅 |
拉丁属名 | Scleria |
类型 | species |
拉丁科名 | Cyperaceae |
学名(拉丁名) | Scleria rugosa |
中文名 | 垂序珍珠茅 |
中文科名 | 莎草科 |
拉丁属名 | Scleria |
类型 | species |
拉丁科名 | Cyperaceae |
中文属名 | 珍珠茅属 |
学名(拉丁名) | Scleria rugosa |
发表年份 | 1810(年) |
拉丁属名 | Scleria |
类型 | species |
拉丁科名 | Cyperaceae |
学名 | 状态 | 来源 | 命名人 |
---|---|---|---|
Scleria lateriflora | Synonym | The Plant List | Boeckeler |
Scleria pubigera | Synonym | The Plant List | Makino |
Scleria toksanensis | Synonym | The Plant List | Nakai |
Scleria fenestrata var. pubigera | Synonym | The Plant List | (Makino) Ohwi |
Scleria flaccida | Synonym | The Plant List | C.B.Clarke |
Scleria onoei | Synonym | The Plant List | Franch. & Sav. |
Scleria onoei var. pubigera | Synonym | The Plant List | Ohwi |
Scleria rugosa var. onoei | Synonym | The Plant List | (Franch. & Sav.) Yonek. |
一年生草本,无根状茎,具须根。秆丛生,直立,三棱形,纤细,高10—25厘米,直径约1毫米。叶秆生,线形,宽2—4毫米,纸质,边缘粗糙,两面被疏微柔毛;叶鞘几无翅,被微柔毛,鞘口具短叶舌;叶舌半圆形,边缘被长柔毛状缘毛。苞片叶状,具鞘,鞘口被微柔毛状缘毛。小苞片较短小,无鞘;圆锥花序由顶生和2—4个侧生分枝组成,分枝长7—15毫米,互相远离,具少数小穗,分枝花序柄长短不一,长0.4—4厘米,通常具翅;小穗单生或双生,披针形或卵状披针形,长2—4毫米,多数为单性;雌小穗具3—5片鳞片和1朵雌花;子房倒卵形,平滑,无毛。小坚果球形或近球形,顶部近圆形,顶端微尖,直径1.5毫米,白色或灰白色,平滑,有光泽,具不规则的纵横皱纹,顶部以下由于纵横皱纹粗而隆起,使表面形成许多小穴;下位盘3裂,裂片半圆形或半椭圆形,顶端圆形,边缘反折,厚。花果期约8月。
产勐腊;生于牧场草地,海拔650米。广东和台湾也有。分布于朝鲜及日本。
Scleria fenestrata Franchet & Savatier var. pubigera (Makino) Ohwi; S. onoei Franchet & Savatier; S. onoei var. pubigera (Makino) Ohwi; S. pubigera Makino.
Annuals. Roots fibrous. Rhizomes absent. Culms tufted, erect, 10-25 cm tall, 3-angled, glabrous or villous. Leaves cauline; sheath barely winged, pubescent to villous; contraligule semicircular, margin ciliate; leaf blade linear, 2-4 mm wide but apically attenuate, papery, both surfaces hairy, margins scabrous, apex obtuse. Involucral bracts leaflike, to 14 cm, sheathing, opening of sheath with dense brown pubescence; bractlets small, sheathless. Inflorescences paniculate, with 3-5 branches; branches 0.7-1.5 cm, distant, with few spikelets; branch peduncles 0.4-4 cm, usually winged. Spikelets 1 or 2 in a cluster, narrowly ovoid, 2-4 mm, mostly unisexual; female spikelets with 3-5 glumes and 1 female flower. Female flowers: ovary obovoid, smooth, glabrous. Disk 1/4-1/3 height of nutlet, 3-lobed; lobes semicircular, margin reflexed, apex rounded. Nutlet white or grayish white, spherical to subspherical, ca. 1.5 mm in diam., smooth, shiny, apex subrounded and slightly tipped.
Wet grassy places; 600-700 m. SW Fujian, Guangdong, Hainan, Jiangsu, Taiwan, S Yunnan [India, Indonesia, Japan, S Korea, Malaysia, Myanmar, Papua New Guinea, Philippines, Sri Lanka, Thailand, Vietnam; N Australia, Indian Ocean islands, Pacific islands].