土元胡Corydalis humosa
中文名(Chinese Name):土元胡
学名(Scientific Name):Corydalis humosa MIgo
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):罂粟科(Papaveraceae)紫堇属
形态特征(Description):瘦弱多年生草本,高9-20厘米。块茎球形,直径约6-8毫米。茎纤细,基部以上具1鳞片,鳞片腋内常具1-3分枝,叶生于鳞片以上,有时少数生于鳞片腋内,下部的茎生叶腋常具退化的腋生小叶。叶二回三出,具长的叶柄和小叶柄,小叶椭圆形,全缘,有时深裂成倒卵形的裂片,下部苍白色,约长8-14毫米,宽4-12毫米。总状花序具1-3花,疏离。苞片卵圆形至卵状披针形,长4-6毫米,宽2-3毫米。花梗纤细,长7-15毫米。萼片小,早落。花白色。上花瓣长1-1.2厘米,瓣片宽展,顶端微凹;距圆筒形,弧形上弯,长5-7毫米;蜜腺体约贯穿距长的1/3至1/2,末端钝。下花瓣长约6毫米,顶端微凹,基部具下延的小囊状突起。内花瓣长约4毫米,顶端带紫红色。柱头头状,周边乳突不明显。蒴果卵圆形,包括喙和柱头在内长约1.2厘米,宽3-4毫米,具5-9种子,2列。种子具钝的圆锥状突起,与小花黄堇C. racemosa 的相似。
分布(Distribution):产浙江天目山,生于海拔800-1000米的山地林下或林缘。
用途(Use):
引自中国植物志英文版:FOC Vol. 7 Page 315, 318
Corydalis humosa Migo, J. Shanghai Sci. Inst. Sect. 3(4): 146. 1939.
土元胡 tu yuan hu | Papaveraceae | Corydalis
Herbs, perennial. Tuber globose, 6-8 mm in diam. Stems 9-20 cm, slender, with 1-3 branches from prophyll, sometimes branched also from lower cauline leaf. Leaves glaucous abaxially, green adaxially, biternate, with long petiole and petiolules; leaflets very discrete, elliptic to ovate, 8-14 × 4-12 mm, entire, sometimes divided into obovate segments. Raceme lax, 1-3-flowered; bracts ovate to ovate-lanceolate, 4-6 × 2-3 mm. Pedicel 7-15 mm, slender. Sepals caducous, small. Flowers white. Upper petal 10-12 mm, limb broad and flat, apex retuse; spur upcurved, 5-7 mm; nectary extended through 1/3-1/2 of spur, obtuse; lower petal ca. 6 mm, base saccate, apex retuse; inner petals ca. 4 mm. Capsule ovoid, together with beak and style ca. 12 × 3-4 mm, 5-9-seeded. Seeds in 2 rows. Fl. and fr. Mar-May.
● Forests, forest margins; 800-1000 m. NW Zhejiang (Tianmu Shan).
(责任编辑:徐晔春)
学名(Scientific Name):Corydalis humosa MIgo
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):罂粟科(Papaveraceae)紫堇属
形态特征(Description):瘦弱多年生草本,高9-20厘米。块茎球形,直径约6-8毫米。茎纤细,基部以上具1鳞片,鳞片腋内常具1-3分枝,叶生于鳞片以上,有时少数生于鳞片腋内,下部的茎生叶腋常具退化的腋生小叶。叶二回三出,具长的叶柄和小叶柄,小叶椭圆形,全缘,有时深裂成倒卵形的裂片,下部苍白色,约长8-14毫米,宽4-12毫米。总状花序具1-3花,疏离。苞片卵圆形至卵状披针形,长4-6毫米,宽2-3毫米。花梗纤细,长7-15毫米。萼片小,早落。花白色。上花瓣长1-1.2厘米,瓣片宽展,顶端微凹;距圆筒形,弧形上弯,长5-7毫米;蜜腺体约贯穿距长的1/3至1/2,末端钝。下花瓣长约6毫米,顶端微凹,基部具下延的小囊状突起。内花瓣长约4毫米,顶端带紫红色。柱头头状,周边乳突不明显。蒴果卵圆形,包括喙和柱头在内长约1.2厘米,宽3-4毫米,具5-9种子,2列。种子具钝的圆锥状突起,与小花黄堇C. racemosa 的相似。
分布(Distribution):产浙江天目山,生于海拔800-1000米的山地林下或林缘。
用途(Use):
引自中国植物志英文版:FOC Vol. 7 Page 315, 318
Corydalis humosa Migo, J. Shanghai Sci. Inst. Sect. 3(4): 146. 1939.
土元胡 tu yuan hu | Papaveraceae | Corydalis
Herbs, perennial. Tuber globose, 6-8 mm in diam. Stems 9-20 cm, slender, with 1-3 branches from prophyll, sometimes branched also from lower cauline leaf. Leaves glaucous abaxially, green adaxially, biternate, with long petiole and petiolules; leaflets very discrete, elliptic to ovate, 8-14 × 4-12 mm, entire, sometimes divided into obovate segments. Raceme lax, 1-3-flowered; bracts ovate to ovate-lanceolate, 4-6 × 2-3 mm. Pedicel 7-15 mm, slender. Sepals caducous, small. Flowers white. Upper petal 10-12 mm, limb broad and flat, apex retuse; spur upcurved, 5-7 mm; nectary extended through 1/3-1/2 of spur, obtuse; lower petal ca. 6 mm, base saccate, apex retuse; inner petals ca. 4 mm. Capsule ovoid, together with beak and style ca. 12 × 3-4 mm, 5-9-seeded. Seeds in 2 rows. Fl. and fr. Mar-May.
● Forests, forest margins; 800-1000 m. NW Zhejiang (Tianmu Shan).
(责任编辑:徐晔春)
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