栏目

红壳雷竹Phyllostachys incarnata Wen

红壳雷竹Phyllostachys incarnata Wen

别名:遂昌雷竹;

科名:禾本科 Gramineae

属名:刚竹属 Phyllostachys

《中国植物志》第9(1)卷291页
  31.红壳雷竹(植物研究)遂昌雷竹(竹子研究汇刊)图版78:5,6
  Phyllostachys incarnata Wen in Bull.Bot. Res. 2 (1): 65. f. 4. 1982.——P. primotina Wen in Journ. Bamb. Res. 3 (2): 34. f. 10. 1984.
  竿高达8米,粗4.5厘米,幼竿被白粉,节下方尤浓,无毛;竿中部节间长20厘米,壁厚5毫米;竿环较平坦,与箨环同高,或在较细的竿上为隆起,并可高于箨环。箨鞘背面肉红色或在较细的笋之上部者带绿色或全部带绿色,具稀疏的小斑点,尤以箨鞘下部较明显,有时还有不甚明显的大块深褐色晕斑,在大笋中其背部疏生刺毛,小笋中则可无毛;箨耳发达,镰形,紫褐色,边缘具屈曲的紫褐色繸毛;箨舌甚高,拱形或有时近于截形,紫褐色,边缘具粗而长呈暗紫色或细而稍短呈灰白色的纤毛;箨片三角形至线状三角形,不皱曲,但可呈波状,直立或外翻。末级小枝具3或4叶;叶鞘仅边缘生纤毛;叶耳发达,卵形或半圆形,绿带紫色,有放射状繸毛;叶舌强烈伸出,长2毫米或可更长,微带紫色,向上渐尖,先端钝头,边缘生细长纤毛;叶片长达13厘米,宽1.5厘米,上表面无毛,下表面除基部有密生柔毛外,其余部分被细柔毛或无毛,花枝呈穗状。小穗含2或3朵小花;颖1或、2片;外稃长22毫米,被柔毛,至先端较密;内稃长18毫米,被疏毛;鳞被长4毫米;花药长7毫米;雌蕊具1长花柱及3羽毛状柱头。笋期4-5月,花期4-5月。
  产浙江。模式标本采自浙江遂昌。
  本种笋期早而持续时间长,为良好的笋用竹种;竿一般整材使用。
形态特征:竿高达8米,粗4.5厘米,幼竿被白粉,节下方尤浓,无毛;竿中部节间长20厘米,壁厚5毫米;竿环较平坦,与箨环同高,或在较细的竿上为隆起,并可高于箨环。箨鞘背面肉红色或在较细的笋之上部者带绿色或全部带绿色,具稀疏的小斑点,尤以箨鞘下部较明显,有时还有不甚明显的大块深褐色晕斑,在大笋中其背部疏生刺毛,小笋中则可无毛;箨耳发达,镰形,紫褐色,边缘具屈曲的紫褐色继毛;箨舌甚高,拱形或有时近于截形,紫褐色,边缘具粗而长呈暗紫色或细而稍短呈灰白色的纤毛;箨片三角形至线状三角形,不皱曲,但可呈波状,直立或外翻。末级小枝具3或4叶;叶鞘仅边缘生纤毛;叶耳发达,卵形或半圆形,绿带紫色,有放射状继毛;叶舌强烈伸出,长2毫米或可更长,微带紫色,向上渐尖,先端钝头,边缘生细长纤毛;叶片长达13厘米,宽1.5厘米,上表面无毛,下表面除基部有密生柔毛外,其余部分被细柔毛或无毛。花枝呈穗状。小穗含2或3朵小花;颖1或2片;外稃长22毫米,被柔毛,至先端较密;内稃长-18毫米,被疏毛;鳞被长4毫米;花药长7毫米;雌蕊具1长花柱及3羽毛状柱头。笋期4-5月,花期4—5月。
用    途:本种笋期早而持续时间长,为良好的笋用竹种;竿一般整材使用。
产地分布:产浙江。模式标本采自浙江遂昌。
参考文献:PhyllostachysincarnataWeninBull.Bot.Res.2(1):65.F.4.1982.——P.PrtmotinaWeninJourn.Bamb.Res.3(2):34.F.10.1984.

《Flora of China》 Vol. 22 (2006)
Phyllostachys incarnata  T. H. Wen
红壳雷竹   hong ke lei zhu
Phyllostachys primotina T. H. Wen.
Culms to 8 m, ca. 4.5 cm in diam.; internodes ca. 20 cm, initially thickly white powdery especially below nodes, glabrous; wall ca. 5 mm thick; nodal ridge flat, as prominent as sheath scar, or raised and more prominent than sheath scar in slender culms. Culm sheaths brown-red or distally green on slender culms, sparsely small spotted, denser proximally, sometimes obscurely blotched, sparsely strigose on large culms, glabrous on small culms; auricles purple-brown, falcate; oral setae flexuose, purple; ligule arcuate or subtruncate, relatively tall, margin with long or shorter, dark purple or gray-white cilia; blade erect or reflexed, green to purple-brown, triangular to linear-triangular, wavy. Leaves 3 or 4 per ultimate branch; auricles purple-green, ovate or suborbicular; oral setae radiate; ligule faintly purple, ca. 2 mm or more, narrowed upward, margin with long, slender cilia, apex obtuse; blade to 13 × 1.5 cm, abaxially puberulent or glabrous except at base, adaxially glabrous. Flowering branchlets spicate; spikelets with 2 or 3 florets. Glumes 1 or 2; lemma ca. 2.2 cm, densely pubescent especially toward apex; palea ca. 1.8 cm, pilose; lodicules ca. 4 mm. Anthers ca. 7 mm. Stigmas 3. New shoots Apr–May, fl. Apr–May. 2n = 48*.
* Cultivated. Fujian, Zhejiang.
This species is grown principally for its long season of prolific edible shoot production.

TOP