短柄柏拉木
短柄柏拉木 |
中文學名:短柄柏拉木 拉丁學名:Blastus brevissimus C. Chen 界:植物界 門:被子植物門 綱:雙子葉植物綱 科:野牡丹科 屬:柏拉木屬 |
短柄柏拉木,野牡丹科柏拉木屬小灌木,主要分布在廣西東部。 [1]
目錄
短柄柏拉木形態特徵
小灌木,高約50厘米;莖圓柱形,少分枝,幼時密被銹色微柔毛及腺毛或剛毛。
葉片紙質,卵形至披針狀卵形,頂端漸尖,基部圓形或近心形,長15-17厘米或更長,寬5-6厘米,全緣或具極不明顯的細鋸齒,5基出脈,葉面除基出脈微凹,被微柔毛外,其餘無毛,側脈平整,背面基出脈及側脈均隆起,被微柔毛及極疏的平展刺毛,細脈網狀,明顯,具黃色小腺點;葉柄極短或無柄。
由聚傘花序組成小圓錐花序,頂生,長約4厘米,寬約2厘米,與花梗均被微柔毛,苞片早落,花梗長2-3毫米;花萼漏斗形,具4棱,長約5毫米,被小腺點,裂片匙形,頂端圓形,長約2.5毫米,被小腺點;花瓣紅色,長圓狀?研危?ザ私ゼ猓??慷郟?ぴ?4毫米;雄蕊4,花絲長約4毫米;花葯線狀披針形,微彎曲,基部平截,藥隔前伸呈盤狀,長約6毫米;子房半下位,卵形,頂端具4小突起,多少具小腺點。
蒴果橢圓形,4縱裂,為宿存萼所包;宿存萼頂端平截,常冠以宿存萼片,長約6毫米,直徑約4毫米,具4棱,被小腺點。花期約8月,果期約10月 。[2]
Shrubs to 50 cm tall. Stems terete, densely puberulous and with glandular trichomes or setose when young. Petiole very short to nearly absent; leaf blade ovate to lanceolate-ovate, 15-17 × 5-6 cm, papery, abaxially puberulous on veins, sparcely patently setose, and yellow glandular, adaxially puberulous on veins otherwise glabrous, secondary veins 2 on each side of midvein, base rounded to subcordate, margin entire or inconspicuously denticulate, apex acuminate. Inflorescences terminal, panicled cymose, ca. 4 × 2 cm, puberulous. Pedicel 2-3 mm. Hypanthium funnelform, ca. 5 mm, glandular. Calyx lobes spatulate, ca. 2.5 mm, glandular, apex rounded. Petals 4, red, oblong-ovate, ca. 4 mm, base obtuse, apex acuminate. Stamens 4; filaments ca. 4 mm; anthers linear-lanceolate, ca. 4 mm, slightly curved; connective, extended to a discoid base. Ovary half inferior, ovoid, 4-celled, ± glandular. Capsule ca. 6 × 4 mm, 4-sided, glandular, crowned by hypanthium lobes. Fl. ca. Aug, fr. Oct.
短柄柏拉木生長環境
生長於海拔約400米的山坡。
短柄柏拉木分布範圍
分布在廣西省東部。