长白虎耳草Saxifraga laciniata
中文名(Chinese Name):长白虎耳草
学名(Scientific Name):Saxifraga laciniata Nakai et Takeda
英文名(English Common Name):
别名(Chinese Common Name):条裂虎耳草
异名(Synonym):Saxifraga takedana Nakai
科属(Family & Genus):虎耳草科(Saxifragaceae)虎耳草属
形态特征(Description):多年生草本,高6-26厘米。根状茎短。叶全部基生,稍肉质,通常匙形,长1.3-3厘米,宽0.4-1厘米,先端急尖,边缘中上部具,5-8粗锯齿,中下部全缘,具腺睫毛,腹面被腺柔毛,背面无毛。花葶被腺柔毛。聚伞花序伞房状,长1.7-13厘米,具5-7花;花序分枝与花梗均被腺柔毛;苞叶披针形或线形,长2-12毫米;萼片在花期反曲,稍肉质,卵形,长2.3-2.5毫米,宽约1.5毫米,先端急尖,无毛,3脉于先端汇合;花瓣白色,基部具2黄色斑点,卵形、狭卵形至长圆形,长3-4.5毫米,宽1.8-2毫米,先端急尖或稍钝,基部狭缩成长1-1.1毫米之爪,3-5脉;雄蕊长约3毫米,花丝钻形;子房近上位,卵球形,长约2.2毫米,花柱2,长约0.2毫米。蒴果长5-7毫米;种子具纵棱和小瘤突。花期7-8月。
分布(Distribution):产吉林,生于海拔2300-2600米的草甸或石隙。朝鲜、日本也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 8 Page 284
Saxifraga laciniata Nakai & Takeda in Nakai, Bot. Mag. (Tokyo). 28: 305. 1914.
长白虎耳草 chang bai hu er cao| Saxifragaceae | Saxifraga
Saxifraga takedana Nakai.
Stem 6-26 cm tall, glandular piliferous. Leaves usually spatulate, 1.3-3 cm × 4-10 mm, subcarnose, adaxially glandular piliferous, margin entire proximally, coarsely 5-8-serrate distally, glandular ciliate, apex acute. Inflorescence corymbose, 1.7-13 cm, 5-7-flowered; branches and pedicels glandular pubescent; bracts lanceolate or linear, 2-12 mm. Sepals reflexed, ovate, 2.3-2.5 × ca. 1.5 mm, subcarnose, glabrous, veins 3, confluent at apex, apex acute. Petals white, proximally with 2 yellow spots, ovate or narrowly so to oblong, 3-4.5 × 1.8-2 mm, 3-5-veined, base contracted into a claw 1-1.1 mm, apex subobtuse or acute. Stamens ca. 3 mm; filaments subulate. Ovary subsuperior, green, ovoid, 2-2.5 mm; styles ca. 0.2 mm. Capsule 5-7 mm. Fl. and fr. Jul-Aug. 2n = 20.
Meadows, rock crevices; 2300-2600 m. Jilin [Japan, Korea, Russia (Sakhalin)].
(责任编辑:徐晔春)
学名(Scientific Name):Saxifraga laciniata Nakai et Takeda
英文名(English Common Name):
别名(Chinese Common Name):条裂虎耳草
异名(Synonym):Saxifraga takedana Nakai
科属(Family & Genus):虎耳草科(Saxifragaceae)虎耳草属
形态特征(Description):多年生草本,高6-26厘米。根状茎短。叶全部基生,稍肉质,通常匙形,长1.3-3厘米,宽0.4-1厘米,先端急尖,边缘中上部具,5-8粗锯齿,中下部全缘,具腺睫毛,腹面被腺柔毛,背面无毛。花葶被腺柔毛。聚伞花序伞房状,长1.7-13厘米,具5-7花;花序分枝与花梗均被腺柔毛;苞叶披针形或线形,长2-12毫米;萼片在花期反曲,稍肉质,卵形,长2.3-2.5毫米,宽约1.5毫米,先端急尖,无毛,3脉于先端汇合;花瓣白色,基部具2黄色斑点,卵形、狭卵形至长圆形,长3-4.5毫米,宽1.8-2毫米,先端急尖或稍钝,基部狭缩成长1-1.1毫米之爪,3-5脉;雄蕊长约3毫米,花丝钻形;子房近上位,卵球形,长约2.2毫米,花柱2,长约0.2毫米。蒴果长5-7毫米;种子具纵棱和小瘤突。花期7-8月。
分布(Distribution):产吉林,生于海拔2300-2600米的草甸或石隙。朝鲜、日本也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 8 Page 284
Saxifraga laciniata Nakai & Takeda in Nakai, Bot. Mag. (Tokyo). 28: 305. 1914.
长白虎耳草 chang bai hu er cao| Saxifragaceae | Saxifraga
Saxifraga takedana Nakai.
Stem 6-26 cm tall, glandular piliferous. Leaves usually spatulate, 1.3-3 cm × 4-10 mm, subcarnose, adaxially glandular piliferous, margin entire proximally, coarsely 5-8-serrate distally, glandular ciliate, apex acute. Inflorescence corymbose, 1.7-13 cm, 5-7-flowered; branches and pedicels glandular pubescent; bracts lanceolate or linear, 2-12 mm. Sepals reflexed, ovate, 2.3-2.5 × ca. 1.5 mm, subcarnose, glabrous, veins 3, confluent at apex, apex acute. Petals white, proximally with 2 yellow spots, ovate or narrowly so to oblong, 3-4.5 × 1.8-2 mm, 3-5-veined, base contracted into a claw 1-1.1 mm, apex subobtuse or acute. Stamens ca. 3 mm; filaments subulate. Ovary subsuperior, green, ovoid, 2-2.5 mm; styles ca. 0.2 mm. Capsule 5-7 mm. Fl. and fr. Jul-Aug. 2n = 20.
Meadows, rock crevices; 2300-2600 m. Jilin [Japan, Korea, Russia (Sakhalin)].
(责任编辑:徐晔春)
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