学名(拉丁名) | Murdannia keisak |
中文名 | 疣草 |
命名人 | (Hassk.) Hand.-Mazz. |
中文科名 | 鸭跖草科 |
拉丁属名 | Murdannia |
类型 | species |
拉丁科名 | Commelinaceae |
中文属名 | 水竹叶属 |
学名(拉丁名) | Murdannia keisak |
命名人 | (Hassk.) Hand.-Mazz. (accepted name) |
拉丁属名 | Murdannia |
类型 | species |
拉丁科名 | Commelinaceae |
学名(拉丁名) | Murdannia keisak |
命名人 | (Hassk.) Hand.-Mazz. |
发表年份 | 1936(年) |
拉丁属名 | Murdannia |
类型 | species |
拉丁科名 | Commelinaceae |
学名(拉丁名) | Murdannia keisak |
中文名 | 疣草 |
拉丁属名 | Murdannia |
类型 | species |
拉丁科名 | Commelinaceae |
学名(拉丁名) | Murdannia keisak |
中文名 | 疣草 |
中文科名 | 鸭跖草科 |
拉丁属名 | Murdannia |
类型 | species |
拉丁科名 | Commelinaceae |
中文属名 | 水竹叶属 |
学名(拉丁名) | Murdannia keisak |
发表年份 | 1936(年) |
拉丁属名 | Murdannia |
类型 | species |
拉丁科名 | Commelinaceae |
学名 | 状态 | 来源 | 命名人 |
---|---|---|---|
Aneilema coreanum | Synonym | The Plant List | H.Lév. & Vaniot |
Aneilema keisak | Synonym | The Plant List | Hassk. |
Aneilema oliganthum | Synonym | The Plant List | Franch. & Sav. |
Aneilema taquetii | Synonym | The Plant List | H.Lév. |
Phaeneilema oliganthum | Synonym | The Plant List | (Franch. & Sav.) G.Brückn. |
Aneilema keisak Hasskarl, Commelin. Ind. 32. 1870; A. coreanum H. Léveillé & Vaniot; A. oliganthum Franchet; A. taquetii H. Léveillé.
Herbs perennial. Roots fibrous. Rhizomes horizontal, elongate. Stems creeping proximally, ascending distally, branched, to 40 cm; internodes ca. 8 cm, with a line of dense, white hairs. Leaves sessile; leaf sheath with a line of hairs on 1 side; leaf blade spreading or slightly folded, linear-lanceolate or linear-elliptic, 2--8 cm × 5--8 mm, ciliate only in proximal part, apex acuminate. Cincinni terminal and axillary, usually 1-flowered; peduncle 1--4 cm (terminal ones longer), with linear bract at middle, sometimes with a flower in axil of bract; pedicels 1--2 cm. Sepals narrowly oblong, 6--10 mm. Petals pink, purple-red, blue-purple, or pale blue, obovate. Fertile stamens 3; filaments densely bearded; staminodes 3; antherodes sagittate. Capsule narrowly ovoid, trigonous, 5--10 × 2--3 mm, acute to subacuminate at both ends. Seeds 4 (sometimes fewer) per valve, uniseriate, gray, slightly flattened. Fl. Aug--Sep.
Wet places. S Fujian (Xiamen Shi), N Jiangxi (Jiujiang Shi, Xinjian Xian), E Jilin (Chunhua), Liaoning, NE Zhejiang (Zhenhai Xian) [S Japan, Korea].
Murdannia keisak is perhaps not distinct from M. triquetra. This complex is widely distributed from India to Japan (and recently recorded in E North America). The two taxa are extremely similar in habit and other qualitative characters, but size of sepals, shape and size of capsule, and number and shape of seeds show differences correlated with geographic distribution.
4.疣草(日本名)图版25: 4
Murdannia keisak (Hassk.) Hand. -Mazz. , Symb. Sin. 7: 1243. 1936, quoad nom. ; Hong in Act. Phytotax. Sin. 12(4): 469. 1974; 中国高等植物图鉴5: 397. 图7624. 1975. ——Aneilema keisak Hassk. , Commel. Ind. 32. 1870; C. B. Clarke in DC. Monogr. Phanerog. 3: 209. 1881. Ohwi, Fl. Jap. 271. 1965; 海南植物志4: 70. 1977, quoad nom.——A. oliganthum Franch. et Savat., Enum. Fl. Jap. 2: 94 et 532. 1879.——A. coreanum Levl. et vant. in Mem. Soc. Nat. Math. Cherb. 35: 390. 1906.——A. taquetii Levl. in Fedde Repert. Sp. Nov.8: 284. 1910.
体态、叶形、被毛情况均与前一种几乎一模一样,不同的是本种花较大,萼片长6-10毫米;蒴果狭长,两端几乎渐尖至急尖,长8-10毫米,直径2-3毫米,每室有种子4颗,但有时较少;种子灰色,稍扁。花期8-9月。
产吉林(春化)、辽宁(无确切地点)、浙江(镇海)、江西北部(新建、九江)、福建(厦门)。生于湿地。朝鲜、日本(南半部)和北美东部也有分布。模式标本采自日本。
这个种究竟是一个独立的种,还是 Murdannia triquetra 的同物异名,我们仍然不很清楚,这一群植物分布于从印度至日本(最近记载北美东部也产)的广大地区,在体态及其他一些质上的特征上并无区别,但在萼片大小、果实形状及大小,种子数目及形状等方面有和地理分布相联系的差异。我们未进行野外观察,标本数量少,不足以进行统计,且更未作过实验工作,这些量的差异是否构成种的差异,我们没有把握。