粉葉蘇木
粉葉蘇木 |
中文名:粉葉蘇木 學 名:Caesalpinia caesia Hand.-Mazz. 界:植物界 門:被子植物門 綱:雙子葉植物綱 亞 綱:原始花被亞綱 目:薔薇目 亞 目:薔薇亞目 科:豆科 亞 科:雲實亞科 族:雲實族 屬:雲實屬 |
粉葉蘇木(fěn yè sū mù,學名:Caesalpinia caesia Hand.-Mazz.),是豆科、雲實屬藤本;小枝疏生倒鈎刺,被短柔毛。圓錐花序腋生,被褐色細柔毛;花瓣倒卵狀長圓形,具短柄,被柔毛,子房無毛,橢圓形。莢果具短柄,卵形或橢圓形,薄,成熟時腫脹,凸鏡狀,干時黑色,腹縫線具狹翅,有種子1顆。花期8月以後。產於廣西和海南。 [1]
目錄
粉葉蘇木形態特徵
藤本;小枝疏生倒鈎刺,被短柔毛。二回羽狀複葉長15-20厘米;羽片5-8對; 粉葉蘇木 葉軸和羽軸均被疏毛;
小葉8-12對,對生,疏離,近無柄,小葉片紙質,長圓形,長8-15毫米,寬4-6毫米,先端截平或圓鈍,微缺,基部斜截平,兩面均無毛,干時上面褐色,有光澤,下麵粉褐色。
圓錐花序腋生,長10-15厘米,被褐色細柔毛;花梗長4-7毫米,在花萼下面具關節;花開放時直徑約8毫米;
萼片5,無毛,最下面一片兜狀披針形,長約6毫米,鈍頭,其餘4片卵狀長圓形,稍短,長3.5-4毫米;
花瓣5,倒卵狀長圓形,具短柄,被柔毛,長3.5-4毫米;雄蕊10,花絲基部被銹色疏長毛;子房無毛,橢圓形。
莢果具短柄,卵形或橢圓形,長約5厘米,寬2.3-3厘米,薄,成熟時腫脹,,凸鏡狀,干時黑色,腹縫線具狹翅,有種子1顆。花期8月以後。 [2]
Caesalpinia caesia Hand.-Mazz. in Oesterr. Bot. Zeitschr. 85: 215. 1936; Vidal et Hul Thol in Bull. Mus. Nat. Hist. Paris 395 (Bot. 27): 86. 1976. ——C. hypoglauca Chun et How in Acta Phytotax. Sin. 7: 20. 1959;陳煥鏞等, 海南植物志2: 226. 1965.
Caesalpinia hypoglauca Chun & F. C. How.
Climbers. Branchlets with sparse recurved prickles, puber-ulent. Leaves 15-20 cm; pinnae 5-8 pairs; rachis of leaves and pinnae pilose; leaflets 8-12 pairs, opposite, dispersed, subses-sile, abaxially farinose-brown when dry, adaxially brown, shiny, oblong, 8-15 × 4-6 mm, papery, both surfaces glabrous, base obliquely truncate, apex truncate or obtuse-rounded, emargi-nate. Panicles axillary, 10-15 cm, brown puberulent. Pedicels 4-7 mm, jointed at apex. Flowers ca. 8 mm in diam. at anthesis. Sepals 5, glabrous, lowest one cucullate-lanceolate, ca. 6 mm, apex obtuse, other 4 ovate-oblong, slightly shorter, 3.5-4 mm. Petals obovate-oblong, 3.5-4 mm, pubescent, shortly clawed. Stamens 10; filaments ferruginous pilose at base. Ovary elliptic, glabrous, 2-ovuled. Legume blackish when dry, ovoid or ellip-tic, ca. 5 × 2.3-3 cm, thin, swollen at maturity, concave, ventral suture narrowly winged, 1-seeded. Fl. Jul-Sep, fr. Aug.
● Sparse forests along rivers; 200-1000 m. Guangxi, Hainan.