卡拉蒂早熟禾Poa karateginensis Roshev.
卡拉蒂早熟禾Poa karateginensis Roshev.
204.卡拉蒂早熟禾(拟)图版16:14
Poa karateginensis Roshev. in Kom. Fl. URSS 2: 416. 1934.
多年生,疏丛型。秆高20-25厘米,纤细斜升。叶鞘平滑无毛;叶舌长约0.5毫米;叶片线形,扁平渐尖,宽1-1.5毫米。圆锥花序各部均为紫色,长3-6厘米,金字塔形,分枝长约2厘米;小穗长6-7毫米,宽达4毫米;小穗轴节间长1-1.5毫米,疏生3-4 (-5)小花;颖片近相等,具3脉,边缘膜质,先端尖,第一颖长约3毫米,第二颖长3.5毫米;外稃阔披针形,长约4毫米,脉不明显,边缘膜质,顶端尖至渐尖,全部无毛,基盘无绵毛;内稃两脊粗糙,两侧带紫色;花药大,棕紫色,长约2毫米。花果期7-8月。
产新疆。生于高山草坡,海拔3000米以上。分布于俄罗斯、中亚、帕米尔高原。模式标本采自塔吉克斯坦。
《Flora of China》 Vol. 22 (2006)
Poa bucharica subsp. karateginensis (Roshevitz ex Ovczinnikov) Tzvelev
卡拉蒂早熟禾 ka la di zao shu he
Poa karateginensis Roshevitz ex Ovczinnikov, Izv. Tadzh. Bazy Akad. Nauk SSSR 1: 12. 1933; P. suruana H. Hartmann.
Culms 20–65(–70) cm tall, lower internodes smooth. Leaf sheaths, uppermost 3–4 × as long as blade; ligules 0.3–2.7 mm; uppermost blades 1–4 cm. Panicle open, pyramidal, diffuse, (3–)6–15 × 3–9 cm; branches ascending to spreading, 2 or 3(or 4) per node, smooth or distally sparsely scabrid, longest 2–7 cm with 2–5 spikelets in distal 1/2. Spikelets 6–7 mm, florets 3 or 4(–5); rachilla internodes 1–1.5 mm, smooth; lower glume 3–3.5 mm, upper glume 3.5–4 mm; lemmas thinly papery, 4–5 mm, intermediate veins moderately distinct; palea with 5–15 hooks per keel. Anthers 2–3 mm. Fl. and fr. Jul–Aug.
Alpine grassy slopes; ca. 3000 m. Xinjiang [Kashmir, W Tajikistan (Karataginsky Range)].
The type of Poa suruana, from Kashmir (Karakorum Mountains), resembles subsp. karateginensis in its open panicle with fairly smooth branches, but seems intermediate to subsp. bucharica in its more typical glumes and longer panicle with a few more spikelets per branch, distinct ligules to ca. 2 mm long, and height of 65–70 cm. Poa bucharica subsp. aksuensis Roshevitz ex Tzvelev keys out to subsp. karateginensis but has palea keels each with 15–40 spinules. It comprises plants from the Tien Shan on or near the Kyrgyzstan-China border and potentially occurs in China.
科名:禾本科 Gramineae
属名:早熟禾属 Poa
204.卡拉蒂早熟禾(拟)图版16:14
Poa karateginensis Roshev. in Kom. Fl. URSS 2: 416. 1934.
多年生,疏丛型。秆高20-25厘米,纤细斜升。叶鞘平滑无毛;叶舌长约0.5毫米;叶片线形,扁平渐尖,宽1-1.5毫米。圆锥花序各部均为紫色,长3-6厘米,金字塔形,分枝长约2厘米;小穗长6-7毫米,宽达4毫米;小穗轴节间长1-1.5毫米,疏生3-4 (-5)小花;颖片近相等,具3脉,边缘膜质,先端尖,第一颖长约3毫米,第二颖长3.5毫米;外稃阔披针形,长约4毫米,脉不明显,边缘膜质,顶端尖至渐尖,全部无毛,基盘无绵毛;内稃两脊粗糙,两侧带紫色;花药大,棕紫色,长约2毫米。花果期7-8月。
产新疆。生于高山草坡,海拔3000米以上。分布于俄罗斯、中亚、帕米尔高原。模式标本采自塔吉克斯坦。
《Flora of China》 Vol. 22 (2006)
Poa bucharica subsp. karateginensis (Roshevitz ex Ovczinnikov) Tzvelev
卡拉蒂早熟禾 ka la di zao shu he
Poa karateginensis Roshevitz ex Ovczinnikov, Izv. Tadzh. Bazy Akad. Nauk SSSR 1: 12. 1933; P. suruana H. Hartmann.
Culms 20–65(–70) cm tall, lower internodes smooth. Leaf sheaths, uppermost 3–4 × as long as blade; ligules 0.3–2.7 mm; uppermost blades 1–4 cm. Panicle open, pyramidal, diffuse, (3–)6–15 × 3–9 cm; branches ascending to spreading, 2 or 3(or 4) per node, smooth or distally sparsely scabrid, longest 2–7 cm with 2–5 spikelets in distal 1/2. Spikelets 6–7 mm, florets 3 or 4(–5); rachilla internodes 1–1.5 mm, smooth; lower glume 3–3.5 mm, upper glume 3.5–4 mm; lemmas thinly papery, 4–5 mm, intermediate veins moderately distinct; palea with 5–15 hooks per keel. Anthers 2–3 mm. Fl. and fr. Jul–Aug.
Alpine grassy slopes; ca. 3000 m. Xinjiang [Kashmir, W Tajikistan (Karataginsky Range)].
The type of Poa suruana, from Kashmir (Karakorum Mountains), resembles subsp. karateginensis in its open panicle with fairly smooth branches, but seems intermediate to subsp. bucharica in its more typical glumes and longer panicle with a few more spikelets per branch, distinct ligules to ca. 2 mm long, and height of 65–70 cm. Poa bucharica subsp. aksuensis Roshevitz ex Tzvelev keys out to subsp. karateginensis but has palea keels each with 15–40 spinules. It comprises plants from the Tien Shan on or near the Kyrgyzstan-China border and potentially occurs in China.
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