南亞柏拉木
南亞柏拉木 |
中文學名:南亞柏拉木 拉丁學名:Blastus cogniauxii Stapf 界:植物界 門:被子植物門 綱:雙子葉植物綱 目:桃金娘目 科:野牡丹科 分布區域:中國海南島, |
南亞柏拉木,拉丁文名:Blastus cogniauxii Stapf. ,為雙子葉植物綱、野牡丹科、柏拉木屬灌木,莖圓柱形,分枝多,分布於中國海南島。[1]
目錄
南亞柏拉木形態特徵
南亞柏拉木 灌木,莖圓柱形,分枝多,小枝密被銹色微柔毛及小腺點,以後無毛。葉片紙質或近膜質,披針形至卵狀披針形,頂端漸尖,基部楔形或鈍,長11-21厘米,寬3-6.5厘米,全緣,5基出脈,葉面無毛,基出脈微凹,背面基出脈、側脈明顯,隆起,幼時被微柔毛,其餘密被黃色腺點;葉柄0.7-2厘米,被微柔毛。
復聚傘花序,腋生,長約3.5厘米,被微柔毛;花梗長約2毫米,具小鱗片;苞片早落;花萼鍾狀漏斗形,具四棱,長4-5毫米,被小腺點,裂片寬三角形,頂端漸尖,長約1毫米;花瓣白色至黃色(?),廣卵形,略偏斜,邊緣具不規則的缺刻,長約3毫米,寬約1.5毫米,頂端漸尖,外面多少被疏小腺點;雄蕊4,等長,花絲長約3毫米,被小腺點,花葯長約4毫米,呈曲膝狀,基部無瘤,藥隔不膨大;花柱長約1厘米;子房卵狀橢圓形,下位,頂端具4小突起,被小腺點。[2]
蒴果橢圓形,4裂,為宿存萼所包;宿存萼頂端平截,被小腺點,常冠以宿存萼片。花期約4月,果期8-9月。有時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].
南亞柏拉木生長環境
生長於海拔60-1220米的山谷、山坡或緩坡林下,蔭濕 南亞柏拉木 的地方或小溪旁。
南亞柏拉木分布範圍
南亞柏拉木屬下種類
南亞柏拉木
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.