匍匐露珠草檢視原始碼討論檢視歷史
| 匍匐露珠草 |
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中文學名:匍匐露珠草 拉丁學名:Circaea repens Wallich ex Asch. et Magnus 別 稱:匍莖谷蓼 界:植物界 門:被子植物門 科:柳葉菜科 屬:露珠草屬 |
匍匐露珠草形態特徵
匍匐露珠草 的植株高15-100厘米，被鐮狀毛，花序被頭狀和棒狀的腺毛；根狀莖入秋時頂端具塊莖狀加厚，次年新植物由此長出。葉狹卵形至闊卵形，稀近圓形，長1.8-9厘米，寬1.5-5厘米，基部圓形、闊楔形或心形，先端急尖至短漸尖，邊緣具鋸齒；葉柄長1.5-5.5厘米。
花序單總狀花序或具分枝；有時上部側生小枝先端具總狀花序。花梗與花序軸垂直或略呈上升狀，被具柄的腺毛，基部有時着生極小的小苞片。
花芽疏被毛稀無毛；花管長0.4-0.8毫米；萼片白色，綠色或淡紅色，矩圓狀橢圓形至卵形，長1.8-2.5毫米，寬1.1-1.5毫米，先端鈍圓或急尖，平伸至反曲。
花瓣白色或粉紅色，輪廊呈闊倒三角形至狹倒三角形，長1.4-2.3毫米，寬1.3-2（-2.9)毫米，先端具V形凹缺，凹缺深達花瓣長度的3/4；雄蕊與花柱等長或短於花柱；蜜腺不明顯，藏於花管中。
成熟果實長3.5-4.2毫米，徑0.9-1.6毫米，狹棒狀至闊棒狀，基部平滑地漸狹至果梗，單室具1種子，縱溝不明顯，但具1淺槽，成熟果實連果梗長7.5-15毫米。[2]
花期7-10月，果期7-11月。染色體數n=11。
Circaea repens Wallich ex Asch. & Magnus in Bot. Zeitung (Berlin) 28: 761. 1870; Gagnep. In Bull. Soc. Bot. France Hand.-Mazz., 16: 1916; Hand.-Mazz., Symb. Sin. 7(2): 604. 1933; Hara Boufford in Ann. Missouri Bot. Gard. 69: 896, f. 16. 1982; 西藏植物志 3: 367. 1986; 雲南植物志 4: 154. 1986. ——C. repens Wallich, nom. nud., Numer. List, no 6341. ——C. lutetiana auct. non L.: C. B. Clarke in Hook. f., Fl. Brit. India 2: 589. 1879, 1753. ——C. alpina L. var. himalaica C. B. Clarke, in Hook. f., Fl. Brit. India 2: 589. 1879.
Plants 15-100 cm tall, pubescent with falcate hairs, inflorescence with capitate and clavately tipped glandular hairs. Rhizomes with tuberous thickening at apex. Leaves narrowly to broadly ovate, rarely nearly orbicular, 1.8-9 × 1.5-5 cm, base rounded, broadly cuneate, or cordate, margin denticulate, apex acute to shortly acuminate. Inflorescence simple or branched, sometimes also with terminal racemes on upper axillary branches. Flowering pedicels perpendicular to axis of raceme or slightly ascending, with stipitate glandular hairs, with or without a minute bracteole at base. Buds sparsely pubescent, rarely glabrous; floral tube 0.4-0.8 mm. Sepals spreading to reflexed, white, green or reddish tinged, oblong to ovate, 1.8-2.5 × 1.1-1.5 mm, apex gradually rounded to obtuse or acute. Petals white or pink, broadly to narrowly obtriangular in outline, V-shaped, 1.4-2.3 × 1.3-2(-2.9) mm, apical notch 3/4 length of petal. Stamens ca. equal to or shorter than style; nectary inconspicuous, within floral tube. Fruiting pedicel and mature fruit 7.5-15 mm. Fruit narrowly to broadly clavate, 3.5-4.2 × 0.9-1.6 mm, tapering smoothly to pedicel, without prominent ribs and deep sulci, but with a shallow groove representing an extension of pedicel; locule 1, but with trace of a second locule in cross-section. Seed 1. Fl. Jul-Oct, fr. Jul-Nov. 2n = 22.
匍匐露珠草生長環境
生長於海拔1500-3300米的潮濕林中、雜灌叢及空地。 匍匐露珠草
匍匐露珠草分布範圍
產自中國湖北西部、四川及雲南。緬甸（僅見一號標本）、不丹、尼泊爾、印度北部及巴基斯坦（僅見一號標本）也有分布 。