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資料編號: | HK-750 |
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中文名稱: | 耳草(TBC) |
學名: | Exallage auricularia [找同屬植物] | [完整學名] |
異名: | Hedyotis auricularia |
英文名稱: | Auriclar Hedyotis |
英文別名: | Broad-leaved Hedyotis |
植物科名: (APG新系統) | RUBIACEAE茜草科 [找同科植物] |
標室舊系統 | RUBIACEAE茜草科[找同科] |
生長習性: | 草本 |
原生/外來: | 香港原生植物 |
圖片花色: | white |
特別特徵: | 單葉對生 |
資料更新: | 20221122 11:25:44 pm |
備註: TBC: Maybe 蓋裂果 牛白藤--有明顯花梗 耳草--花無梗或具長1毫米的花梗 FoHK Perennial herbs, 0.3–1 m tall. Stems almost erect or decumbent; young shoots ± quadrangular, densely hispidulous, or rarely glabrous in age. Stipules membranous, pubescent, united at the base into a short sheath, apex fringed with 5–7 bristle‑like lobes. Leaves opposite, subleathery; petioles ca. 2.5 mm; leaf blade lanceolate or elliptic, rarely ovate, 3–8 × 1–2.5 cm, base cuneate or slightly decurrent, apex acute or acuminate, adaxially smooth or scabrous, abaxially usually puberulent; lateral veins 4–6 on each side of midvein, conspicuous, obliquely ascending and in an acute angle with the midvein. Flowers 4‑merous, in axillary, densely flowered, head‑like cymes. Peduncles none. Pedicels ca. 1 mm or almost obsolete. Calyx‑tube pubescent, tube ca. 1 mm; calyx‑teeth lanceolate, 1–1.2 mm. Corolla white, tube 1–1.5 mm, hairy on throat; lobes lanceolate, 1.5–2 mm, spreading. Stamens inserted in throat of corolla‑tube; filaments very short. Ovary inferior; style ca. 1 mm, hairy; stigma bifid. Capsules globose, 1.2–1.5 mm in diam., sparsely hispidulous or almost glabrous, indehiscent. Ecology: Grassy slopes, thickets. Flowering: Jul. – Oct.; fruting: Sep. –Oct. 中國植物誌 多年生、近直立或平臥的粗壯草本,高30-100厘米;小枝被短硬毛,罕無毛,幼時近方柱形,老時呈圓柱形,通常節上生根。葉對生,近革質,披針形或橢圓形,長3-8厘米,寬1-2.5厘米,頂端短尖或漸尖,基部楔形或微下延,上面平滑或粗糙,下面常被粉末狀短毛;側脈每邊4-6條,與中脈成銳角斜向上伸;葉柄長2-7毫米或更短;托葉膜質,被毛,合生成一短鞘,頂部5-7裂,裂片線形或剛毛狀。 聚繖花序腋生,密集成頭狀,無總花梗;苞片披針形,微小;花無梗或具長1毫米的花梗;萼管長約1毫米,通常被毛,萼簷裂片4,披針形,長1-1.2毫米,被毛;花冠白色,管長1-1.5毫米,外面無毛,裡面僅喉部被毛,花冠裂片4,長1.5-2毫米,廣展;雄蕊生于冠管喉部,花絲極短,花藥突出,長圓形,比花絲稍短;花柱長1毫米,被毛,柱頭2裂,裂片棒狀,被毛。果球形,直徑1.2-1.5毫米,疏被短硬毛或近無毛,成熟時不開裂,宿存萼簷裂片長0.5-1毫米;種子每室2-6粒,種皮乾後黑色,有小窩孔。花期3-8月。 | |
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8-750h | |
7-750g | |
6-750f | |
5-750e | |
4-750d | |
3-750c | |
2-750b | |
1-750a | |