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| 資料編號: | HK-3414 |
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| 中文名稱: | 濱海斑鳩菊 |
| 學名: | Cyanthillium maritimum [找同屬植物] |
| 異名: | Vernonia maritima |
| 植物科名: (APG新系統) | ASTERACEAE菊科 [找同科植物] |
| 標室舊系統 | ASTERACEAE菊科[找同科] |
| 生長習性: | 亞灌木 |
| 原生/外來: | 香港原生植物 |
| 圖片花色: | pink_white |
| 發現開花: | Sept_May |
| 生長環境: | 海岸植物 |
| 資料更新: | 20211125 12:26:38 am |
| 備註: 離島攝 此株是在西貢海島上發現, 2009. May, 02 (3414m-3414p) FoHK: Dwarf subshrubs(矮小亞灌木), usually 7–10 cm tall. Stems often procumbent at base, obliquely ascending in upper part, many‑branched, striate, grey‑white hispidulous. Leaves numerous, ± confert upwards, spathulate, 1.5–2.5 × 0.4–0.7 cm, base gradually attenuate into slender petioles, apex rounded or obtuse, margin entire or repand, densely grey‑white hispidulous. Capitula few, usually 3–5 corymbose, 5–7 mm in diam.; peduncles 5–12 mm, with 1–2 subulate bracteoles, densely hispidulous. Involucres ca. 4 × 5–7 mm; phyllaries 5‑seriate, imbricate, outer ones subsubulate 1.5–2 mm, spinescent, puberulous, median ones ovate, ca. 3 mm, acute and mucronulate, inner ones oblong, sparsely puberulous, with scarious margins. Receptacle flat, foveolate. Florets more than 40 per capitulum; corolla tubular, 2.5 mm, with campanulate limb; lobes lanceolate, apically glandular. Cypselae subcylindric, 1–1.2 mm, 5‑angled, truncate at apex, glandular between the ribs or sometimes sparsely puberulous. Pappus simple, white, ca. 1 mm, deciduous. Ecology: Wastelands near seashores. Flowering: Jun.–Oct. 中國植物誌: 矮小亞灌木，高7-10厘米，少有較高。莖常彎曲或平臥，上部斜升，多分枝，具條紋，被灰白色短硬毛。下部葉在花期凋落(FoHK沒提此)，中部葉多數，密集，匙形，長1.5-2.7厘米，寬0.4-0.7厘米，頂端圓形或鈍，基部漸狹成細柄，近全緣或微波狀，兩面被密灰白色短硬毛，上部葉漸小，匙形； 頭狀花序少數，通常3-5個排列成傘房狀花序，徑5-7毫米；花序梗長5-12毫米，具1-2個鑽形小苞片，被密短硬毛；總苞球形，長約4毫米，寬5-7毫米；總苞片5層，覆瓦狀，外層近鑽形，長1.5-2毫米，頂端具小刺尖<，背面被疏微毛，中層卵形，長約3毫米，頂端尖且具小刺尖，內層長圓形，背面被疏微毛，具乾膜質邊緣；花托平，具有齒狀邊緣的窩孔，花冠管狀，長2.5毫米，簷部鐘狀，上部有5裂片，裂片外面頂端具腺； 瘦果近圓柱形，長1-1.8毫米，具5棱，頂端截形，基部縮小，肋間具腺，或有時上部被疏微毛；冠毛1層，白色，長約1毫米，脫落。 | |
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