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資料編號: | HK-605 |
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中文名稱: | 碗花草_老鴉嘴 |
學名: | Thunbergia fragrans [找同屬植物] |
英文名稱: | White Thunbergia |
植物科名: (APG新系統) | ACANTHACEAE爵床科 [找同科植物] |
標室舊系統 | ACANTHACEAE爵床科[找同科] |
生長習性: | 多年生攀緣草本 |
原生/外來: | 外來植物 |
圖片花色: | white |
發現開花: | Jan |
特別特徵: | 單葉對生 |
資料更新: | 20180108 10:38:04 pm |
備註: FoHK Herbaceous vines. Stems subquadrate to flattened, sulcate, hirsute. Petioles 0.5–4.5 cm, hirsute; leaf blades papery, oblong‑ovate to oblong‑lanceolate, 4–14 × 3–7 cm, base rounded, sometimes cuneate or cordate, apex acute to acuminate, margin entire to irregularly sinuate to shallowly and coarsely dendate, puberulous on both surfaces, gradually subglabrescent, palmately 5‑veined. Flowers solitary, axillary. Peduncles 3–5.5 cm. Bracts subulate; bracteoles ovate, 1.5–2.5 × 0.8–1.5 cm, apex acute, puberulous, persistent. Calyx unequally 10 – 13‑dentate, glabrous. Corolla white, sparsely puberulous, tube‑base cylindric, 4–7 mm wide, gradually widened to ca. 2 cm at mouth; lobes obovate, ca. 2.5 × 2.3 cm, 7–9‑veined. Stamens 4, included; filaments glabrous; anther‑thecae lanceolate, divergent. Ovary glabrous; style exerted; stigma funnel‑shaped. Capsules glabrous, brown, ca. 0.7 × 1 cm, beak ca. 1.5 cm. Seed smooth. 中國植物誌 多年生攀緣草本,莖細,被倒硬毛或無毛,有塊根。葉柄纖細,長0.8-4.5厘米,漸尖,基部圓,有時截形至近心形,兩側基部戟形、箭形或具2-3開展的裂片,兩面初被柔毛或短柔毛,後漸稀疏,僅脈上被毛;脈5出。花通常單生葉腋,花梗長1.5-8.5厘米,被倒向柔毛;小苞片卵形,長16-24厘米,寬8-13厘米,急尖,被疏柔毛或短毛;蒴具13不等大小齒,無毛;花冠管長4-7毫米,喉長18-23毫米,冠簷裂片倒卵形,先端平截,或多或少成山字形(具3齒的tridentatus),長約26毫米,寬約22毫米,白色;花絲長9-15毫米和4-11毫米,無毛,花藥披針形,先端藥隔突出成小尖頭,基部義開,一側較長,長4- 5毫米;花粉粒圓柱形,散生7微米高的乳狀凸起,直徑45微米;子房無毛;柱頭漏斗狀,外露,花柱無毛,長2.5-3厘米;蒴果無毛,帶有種子部分直徑10毫米,高7毫米,喙長15毫米,基部寬4.5毫米。種子腹面平滑,種臍大。 | |
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