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芽竹Phyllostachys robustirama S. Y. Chen et C. Y. Yao

芽竹Phyllostachys robustirama S. Y. Chen et C. Y. Yao

科名:禾本科 Gramineae

属名:刚竹属 Phyllostachys

《中国植物志》第9(1)卷281页
  24.芽竹(植物分类学报)图版75:1-4
  Phyllostachys robustiramea S. Y. Chen et C. Y. Yao in Act.Phytotax. Sin. 18 (2): 188. f. 10. 1980.——P. erecta Wen in Bull. Bot. Res. 2 (1): 63. f. 2. 1982.
  竿高达10米,粗6厘米,幼竿紫绿色,被白粉,无毛,老竿灰绿色;节间最长可达26厘米,壁厚3.5-4毫米;竿环隆起,高于箨环。箨鞘淡绿紫色,绿紫色乃至墨绿带紫色,先端有乳白及淡紫色或紫绿色与紫色相间的放射状条纹,疏生刺毛,无斑点或偶有散生的小斑点,箨耳在竿下部的箨上不发达,在竿上部的则微可见,但均有数条绿色直立的繸毛;箨舌淡绿色,截形或略呈拱形,高2-3毫米,边缘生淡绿色参差不齐的密集纤毛;箨片直立乃至外翻,竿中、下部者皱曲,披针形至带状披针形,淡绿色至墨绿色或暗褐色,边缘淡黄色。末级小枝2或3叶;叶耳小,具淡绿褐色至淡黄色长为4-6毫米的繸毛;叶片长6.5-12厘米,宽1.1-2厘米。笋期4月中、下旬。
  产浙江安吉,杭州植物园有引种栽培。模式标本采自杭州植物园。
  竿供柄材或可劈篾编织器物用;笋味美。
形态特征:竿高达10米,粗6厘米,幼竿紫绿色,被白粉,无毛,老竿灰绿色;节间最长可达26厘米,壁厚3.5—4毫米;竿环隆起,高于箨环。箨鞘淡绿紫色,绿紫色乃至墨绿带紫色,先端有乳白及淡紫色或紫绿色与紫色相间的放射状条纹,疏生刺毛,无斑点或偶有散生的小斑点;箨耳在竿下部的箨上不发达,在竿上部的则微可见,但均有数条绿色直立的继毛;箨舌淡绿色,截形或略呈拱形,高2—3毫米,边缘生淡绿色参差不齐的密集纤毛;箨片直立乃至外翻,竿中、下部者皱曲,披针形至带状披针形,淡绿色至墨绿色或暗褐色,边缘淡黄色。末级小枝2或3叶;叶耳小,具淡绿褐色至淡黄色长为4—6毫米的继毛;叶片长6.5-12厘米,宽1.1—2厘米。笋期4月中、下旬。
用    途:竿供柄材或可劈篾编织器物用;笋味美。
产地分布:产浙江安吉,杭州植物园有引种栽培。模式标本采自杭州植物园。
参考文献:PhyllostachysrobustirameaS.Y.ChenetC.Y.YaoinAct.Phytotax.Sill.18(2):188.F.10.]980.—P.ErectaWeninBull.Bot.Res.2(1):63.F.2.1982.

《Flora of China》 Vol. 22 (2006)
Phyllostachys robustiramea  S. Y. Chen & C. Y. Yao
芽竹   ya zhu
Phyllostachys erecta T. H. Wen.
Culms to 10 m, ca. 6 cm in diam.; internodes initially purple-green, becoming gray-green, to 26 cm, white powdery, glabrous; wall 3.5–4 mm thick; nodal ridge elevated, more prominent than sheath scar. Culm sheaths green-purple, unmarked or occasionally with small, sparse spots, sparsely strigose; auricles not developed on lower sheaths, minute on upper ones; oral setae erect, green; ligule pale green, truncate or slightly arcuate, 2–3 mm, densely white-green ciliate; blade erect to reflexed, pale green to dark green or dark brown, with pale yellow margins, lanceolate to linear, crinkled in lower and middle culm sheaths. Leaves 2 or 3 per ultimate branch; auricles small; oral setae pale green-brown to pale yellow, 4–6 mm; blade 6.5–12 × 1.1–2 cm. Inflorescence not known. New shoots Apr.
* Cultivated. Anhui, Zhejiang.
The shoots are delicious, and the culms are used for tool handles and are split for weaving.

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