大药碱茅Puccinellia macranthera Krecz.
大药碱茅Puccinellia macranthera Krecz.
38.大药碱茅(内蒙古植物志)图版30:7
Puccinellia macranthera Krecz. in Kom. Fl. URSS 2: 471, 758. 1934, nom altern; Norlindh. , Fl. Mong. Steppe 1: 102. 1949; Tzvel. in Fed. Poac. URSS 503. 1976.
多年生。秆丛生,高40-50厘米;直径1-1.5毫米,质硬,具3-5节,顶节位于中下部。叶鞘稍带紫色,微粗糙,顶生者长达15厘米;叶舌长约1毫米,顶端截平或钝圆,两侧下延为叶鞘的膜质边缘;叶片直立,质硬,扁平或内卷,长3-6厘米,宽4-5毫米,蘖生者较长,灰绿色,上面和边缘具小刺状粗糙。圆锥花序疏松开展,金字塔形,长10-20厘米,宽10-12厘米;每节具2-3枚分枝,主轴与分枝均粗糙,基部主枝长约5厘米,下部裸露,花后平展或向下反折;侧生小穗柄长约1毫米;小穗含4-6小花,长5-6毫米;小穗轴节间长约1毫米,平滑;颖卵形,先端钝,第一颖长1-1.5毫米,第二颖长2毫米;外稃长2.3-2.8毫米,顶端截圆状三角形,边缘黄色,具缘毛状细齿裂,基部具短柔毛;内稃等长于外稃,两脊具纤毛,基部有微柔毛;花药长1.6-2毫米。花果期6-8月。
产吉林(通榆)。生于盐化低湿地,海拔约2000米。分布于蒙古、俄罗斯西伯利亚和达乌里。模式标本采自俄罗斯。
本种以小穗长5-6毫米,外稃长2.3-2.8毫米,叶鞘粗糙,叶片上面与边缘粗糙,与热河碱茅P.jeholensis有别。
《Flora of China》 Vol. 22 (2006)
Puccinellia macranthera (V. I. Kreczetowicz) Norlindh
大药碱茅 da yao jian mao
Atropis macranthera V. I. Kreczetowicz in Komarov, Fl. URSS 2: 759. 1934; Puccinellia poaeoides Keng.
Perennial, tufted, grayish green. Culms 30–50 cm tall, 1–2.5 mm in diam. Leaf sheaths smooth or scabrid; ligule 0.5–1.2 mm, truncate or obtuse; leaf blade flat or inrolled, 3–8 cm, 2–4 mm wide, margins and adaxial surface scabrous. Panicle laxly spreading, 8–20 × 6–12 cm; branches 2–4 per node, basal primary branch 4–8 cm, horizontally spreading or reflexed after anthesis, axis and branches scaberulous, lower part naked. Spikelets 5–6 mm, florets 4–6; rachilla internodes smooth; glumes obtuse, lower glume 1–1.5 mm, upper glume ca. 2 mm; lemmas 2.4–3 mm, base pubescent, margins yellow, apex truncate-triangular; palea keels ciliate; anthers 1.5–2 mm. Fl. Jun–Jul.
Moist saline places; 100–2000 m. Gansu, Jilin, Liaoning, Nei Mongol, NE Xinjiang [Mongolia, Russia (Siberia)].
别名:乌兰-乌龙;长稃碱茅;热河碱茅;
科名:禾本科 Gramineae
属名:碱茅属 Puccinellia
38.大药碱茅(内蒙古植物志)图版30:7
Puccinellia macranthera Krecz. in Kom. Fl. URSS 2: 471, 758. 1934, nom altern; Norlindh. , Fl. Mong. Steppe 1: 102. 1949; Tzvel. in Fed. Poac. URSS 503. 1976.
多年生。秆丛生,高40-50厘米;直径1-1.5毫米,质硬,具3-5节,顶节位于中下部。叶鞘稍带紫色,微粗糙,顶生者长达15厘米;叶舌长约1毫米,顶端截平或钝圆,两侧下延为叶鞘的膜质边缘;叶片直立,质硬,扁平或内卷,长3-6厘米,宽4-5毫米,蘖生者较长,灰绿色,上面和边缘具小刺状粗糙。圆锥花序疏松开展,金字塔形,长10-20厘米,宽10-12厘米;每节具2-3枚分枝,主轴与分枝均粗糙,基部主枝长约5厘米,下部裸露,花后平展或向下反折;侧生小穗柄长约1毫米;小穗含4-6小花,长5-6毫米;小穗轴节间长约1毫米,平滑;颖卵形,先端钝,第一颖长1-1.5毫米,第二颖长2毫米;外稃长2.3-2.8毫米,顶端截圆状三角形,边缘黄色,具缘毛状细齿裂,基部具短柔毛;内稃等长于外稃,两脊具纤毛,基部有微柔毛;花药长1.6-2毫米。花果期6-8月。
产吉林(通榆)。生于盐化低湿地,海拔约2000米。分布于蒙古、俄罗斯西伯利亚和达乌里。模式标本采自俄罗斯。
本种以小穗长5-6毫米,外稃长2.3-2.8毫米,叶鞘粗糙,叶片上面与边缘粗糙,与热河碱茅P.jeholensis有别。
《Flora of China》 Vol. 22 (2006)
Puccinellia macranthera (V. I. Kreczetowicz) Norlindh
大药碱茅 da yao jian mao
Atropis macranthera V. I. Kreczetowicz in Komarov, Fl. URSS 2: 759. 1934; Puccinellia poaeoides Keng.
Perennial, tufted, grayish green. Culms 30–50 cm tall, 1–2.5 mm in diam. Leaf sheaths smooth or scabrid; ligule 0.5–1.2 mm, truncate or obtuse; leaf blade flat or inrolled, 3–8 cm, 2–4 mm wide, margins and adaxial surface scabrous. Panicle laxly spreading, 8–20 × 6–12 cm; branches 2–4 per node, basal primary branch 4–8 cm, horizontally spreading or reflexed after anthesis, axis and branches scaberulous, lower part naked. Spikelets 5–6 mm, florets 4–6; rachilla internodes smooth; glumes obtuse, lower glume 1–1.5 mm, upper glume ca. 2 mm; lemmas 2.4–3 mm, base pubescent, margins yellow, apex truncate-triangular; palea keels ciliate; anthers 1.5–2 mm. Fl. Jun–Jul.
Moist saline places; 100–2000 m. Gansu, Jilin, Liaoning, Nei Mongol, NE Xinjiang [Mongolia, Russia (Siberia)].