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南亚柏拉木 |
中文学名:南亚柏拉木 拉丁学名:Blastus cogniauxii Stapf 界:植物界 门:被子植物门 纲:双子叶植物纲 目:桃金娘目 科:野牡丹科 分布区域:中国海南岛, |
南亚柏拉木,拉丁文名:Blastus cogniauxii Stapf. ,为双子叶植物纲、野牡丹科、柏拉木属灌木,茎圆柱形,分枝多,分布于中国海南岛。[1]
南亚柏拉木形态特征
南亚柏拉木 灌木,茎圆柱形,分枝多,小枝密被锈色微柔毛及小腺点,以后无毛。叶片纸质或近膜质,披针形至卵状披针形,顶端渐尖,基部楔形或钝,长11-21厘米,宽3-6.5厘米,全缘,5基出脉,叶面无毛,基出脉微凹,背面基出脉、侧脉明显,隆起,幼时被微柔毛,其余密被黄色腺点;叶柄0.7-2厘米,被微柔毛。
复聚伞花序,腋生,长约3.5厘米,被微柔毛;花梗长约2毫米,具小鳞片;苞片早落;花萼钟状漏斗形,具四棱,长4-5毫米,被小腺点,裂片宽三角形,顶端渐尖,长约1毫米;花瓣白色至黄色(?),广卵形,略偏斜,边缘具不规则的缺刻,长约3毫米,宽约1.5毫米,顶端渐尖,外面多少被疏小腺点;雄蕊4,等长,花丝长约3毫米,被小腺点,花药长约4毫米,呈曲膝状,基部无瘤,药隔不膨大;花柱长约1厘米;子房卵状椭圆形,下位,顶端具4小突起,被小腺点。[2]
蒴果椭圆形,4裂,为宿存萼所包;宿存萼顶端平截,被小腺点,常冠以宿存萼片。花期约4月,果期8-9月。有时12月有花。
Shrubs. Stems terete; branches densely puberulous and glandular, glabrescent. Petiole 0.7-2 cm, puberulous; leaf blade lanceolate to ovate-lanceolate, 11-21 × 3-6.5 cm, papery to submembranous, abaxially puberulous along veins when young otherwise densely yellow glandular, adaxially glabrous, secondary veins 2 on each side of midvein, base cuneate to obtuse, margin entire, apex acuminate. Inflorescences axillary, compound cymose, ca. 3.5 cm, puberulous; bracts caducous. Pedicel ca. 2 mm. Hypanthium campanulate-funnelform, 1.1-2.7(-3.5) mm, 4-sided, glandular. Calyx lobes broadly triangular, ca. 1 mm, apex acuminate. Petals white or yellow, broadly ovate, ca. 3 × 1.5 mm, sparsely glandular, margin minutely dentate, apex acuminate. Stamens 4; filaments ca. 3 mm, glandular; anthers (0.9-)1.4-2.8(-3.5) mm, curved, geniculate, adaxially at most 2-tuberculate; connective not inflated. Ovary inferior, ovoid-elliptic, 4-celled, glandular. Capsule elliptic, glandular, crowned by hypanthium lobes. Fl. ca. Apr but sometimes Dec, fr. Aug-Sep.
Dense mixed forests, valleys, mountain slopes, stream banks, moist places; below 100-1300 m. Hainan [Indonesia, Malaysia, Thailand, Vietnam].
南亚柏拉木生长环境
生长于海拔60-1220米的山谷、山坡或缓坡林下,荫湿 南亚柏拉木 的地方或小溪旁。
南亚柏拉木分布范围
南亚柏拉木属下种类
南亚柏拉木
Blastus cogniauxii Stapf in Hook. Icon. Pl. 24: t. 2311. 1894; Guillaum. in Bull. Soc. Bot. France 60: 90, 403. 1913 et in Lecte. Fl. Gen. Indo-Chine 2: 898. f. 98, 6. 1921; H. L. Li in Journ. Arn. Arb. 25: 16. 1944; 海南植物志2: 30. 1965——Ochtocharis parviflora Cogn. in DC. Monogr. Phan. 7: 481. 1891, non Blastus parviflorus Triana.