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高节竹Phyllostachys prominens W. Y. Xiong

高节竹Phyllostachys prominens W. Y. Xiong

科名:禾本科 Gramineae

属名:刚竹属 Phyllostachys

《中国植物志》第9(1)卷297页
  38.高节竹(植物分类学报)图版82:1-4
  Phyllostachys prominens W. Y. Xiong in Act. Phytotax. Sin. 18 (2); 182. f. 6, 1980.
  竿高10米,粗7厘米,幼竿深绿色,无白粉或被少量白粉,老竿灰暗黄绿色至灰白色;节间较短,除基部及顶部的节间外,均近于等长,最长达22厘米,每节间的两端明显呈喇叭状膨大而形成强烈隆起的节,竿壁厚5-6毫米;竿环强烈隆起,高于箨环;后者亦明显隆起。箨鞘背面淡褐黄色,或略带红色或绿色,具大小不等的斑点,近顶部尤密,疏生淡褐色小刺毛,边缘褐色;箨耳发达,镰形,紫色或带绿色,耳缘生长繸毛;箨舌紫褐色,边缘密生短纤毛,有时混有稀疏的长纤毛;箨片带状披针形,紫绿色至淡绿色,边缘桔黄或淡黄色,强烈皱曲,外翻。末级小枝具2-4叶;叶耳及鞘口繸毛发达,但易落,叶耳绿色,繸毛黄绿色至绿色;叶舌伸出,黄绿色;叶片长8.5-18厘米,宽1.3-2.2厘米,下表面仅基部有白色柔毛。花枝呈穗状,长5-6厘米,基部托以3-5片逐渐增大的鳞片状苞片;佛焰苞4-6片,脉间被柔毛,叶耳微小或无,鞘口繸毛数条,缩小叶较小,呈锥状或为一小尖头,每片佛焰苞腋内有1或2枚假小穗。小穗披针形,长约2.5厘米,通常含2朵小花,小穗轴具毛,顶端常有不孕之退化小花;颖无或仅1片;外稃长1.6-2厘米,上部被短柔毛;内稃约等长于外稃,上部及脊上具短柔毛;鳞被披针形或椭圆形,长3.5-4毫米;花药长10毫米;柱头3,羽毛状。笋期5月,花期5月。
  产浙江,多植于平地的家前屋后。模式标本采自杭州植物园。
  笋味美,供食用;竿节甚隆起,不易劈篾,宜整竿使用,多作柄材。

《Flora of China》 Vol. 22 (2006)
Phyllostachys prominens  W. Y. Xiong ex C. P. Wang et al.
高节竹   gao jie zhu
Culms ca. 10 m, ca. 7 cm in diam.; internodes initially dark green, becoming yellow-green to gray, equal in length, to 22 cm, not or initially thinly white powdery; wall 5–6 mm thick; nodal ridge strongly raised, more prominent than sheath scar. Culm sheaths pale yellow-brown or tinged with red or green, with variably sized spots, denser near apex, sparsely strigose, margins brown; auricles purple or green, falcate; oral setae long; ligule purple-brown, densely ciliolate, sometimes also with longer cilia; blade reflexed, purple-green or pale green with orange or light yellow margins, linear-lanceolate, strongly crinkled. Leaves 2–4 per ultimate branch; auricles deciduous, green; oral setae well developed, yellow-green; ligule exserted, yellow-green; blade 8.5–18 × 1.3–2.2 cm, abaxially proximally pubescent. Flowering branchlets spicate, 5–6 cm, subtended by 3–5 scaly bracts gradually larger; spathes 4–6, pubescent between veins; auricles small or absent; oral setae several; blade subulate or mucronate. Pseudospikelets 1 or 2 per spathe. Spikelets lanceolate, ca. 2.5 cm; florets usually 2. Glumes absent or 1; rachilla pubescent, terminated by a sterile floret; lemma 1.6–2 cm, distally puberulent; palea subequal to lemma, puberulent on distal portion and keels; lodicules lanceolate or elliptic, 3.5–4 mm. Anthers ca. 1 cm. Stigmas 3. New shoots May, fl. May. 2n = 48*.
* Cultivated. Jiangsu, Zhejiang.
The shoots are delicious, and the culms are used as handles.

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