Comments
provided by eFloras
A variable species, seems to be confined to Chitral in our area. The flower colour varies from pale yellow to whitish and should he carefully noted in future
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Comments
provided by eFloras
Smelowskia calycina is highly variable and has been divided in both Asian and North American accounts into several, poorly defined species or varieties. In the absence of authoritative studies on the species throughout its range, it is better not to recognize any infraspecific taxa. The Chinese plants are a good match for the type collection of the species. Synonyms pertaining only to C Asia are listed above.
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Description
provided by eFloras
Perennial caespitose, (5-) 10-20 (-30) cm tall, erect to ascending or sub-spreading, densely pubescent with simple and branched hairs except the siliculae. Radical leaves densely rosulate, pinnatisect, 30-60 mm long, 5-12 mm broad, stalked; lobes short, narrowly oblong or linear; upper leaves distant, ± similar but smaller, shortly stalked to subsessile. Racemes 15-30-flowered, often bracteate below, lax and up to 10 (-15) cm long in fruit. Flowers c. 5 mm across, pale yellowish or whitish; pedicels 5-8 mm long in fruit, filiform, rigid, ascending to almost erect. Sepals 3-3.5 mm long. Petals 5-6 (-6.5) mm long, 3 mm broad. Stamens c. 2.5: 3.5 mm long; anthers c. 0.7 mm long. Fruits 6-8 mm long, 1.5-2 mm broad, ellipsoid, subterete, glabrous; valves convex, with a distinct mid-rib; style 0.5-1 mm long with depressed, subretuse stigma; septum obscurely 1-veined; seeds 4-5 in each locule, c. 1.5 mm long, ellipsoid-oblong.
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Description
provided by eFloras
Herbs (3.5-)7-30(-40) cm tall, canescent basally or throughout. Stems often simple above, densely pubescent with simple trichomes to 2 mm and/or much smaller dendritic ones, sometimes glabrescent. Basal leaves with petioles (0.5-)1-5(-7) cm, ciliate with simple trichomes or not ciliate; leaf blade 1- or 2-pinnatiscet, oblong, lanceolate, or ovate in outline, 1.5-8 × 0.4-1.5 cm; ultimate segments linear, oblong, or ovate, to 15 × 3 mm, apex obtuse or subacute. Middle and upper cauline leaves sessile or subsessile, smaller and less divided than basal ones, sometimes pectinate. Inflorescence often simple. Fruiting pedicels suberect or ascending, rarely divaricate, slender, 5-10(-14) mm, pubescent with dendritic and/or simple straight trichomes. Sepals ovate, 2.5-4 × 1.5-2 mm, caducous or persistent. Petals white or pale yellow, suborbicular or obovate, (3.5-)5-7 × 2-4 mm, rounded at apex, narrowed to claw 1-2.5 mm. Filaments 1.5-3.5 mm; anthers oblong, 0.5-0.8 mm. Ovules 4-10(-12) per ovary. Fruit ellipsoid or oblong, rarely ovoid or linear-ellipsoid, (3-)5-9(-10) × 1.5-2.5 mm, cuneate at least at apex; valves with a prominent midvein; gynophore obsolete or to 0.5 mm; septum perforated or complete, with a midvein distally; style 0.5-1(-1.5) mm. Seeds brown, oblong or subovate, 1.1-1.8 × 0.8-1.1 mm. Fl. Jun-Aug, fr. Jul-Sep.
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Distribution
provided by eFloras
Distribution: C. & N. Asia, Pakistan, Afghanistan and Alaska.
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Distribution
provided by eFloras
Xinjiang [Afghanistan, India, Kashmir, Kazakhstan, Kyrgyzstan, Mongolia, Pakistan, Russia (Far East, Siberia), Tajikistan; North America].
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Flower/Fruit
provided by eFloras
Fl. Per.: June-July.
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Habitat
provided by eFloras
Rocky slopes, gravelly hills, rocky crevices, alpine meadows; 2500-4900 m.
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Synonym
provided by eFloras
Lepidium calycinum Stephan in Willdenow, Sp. Pl. 3: 433. 1800; Chrysanthemopsis koelzii K. H. Rechinger; Hutchinsia calycina (Stephan) Desvaux; H. calycina (Stephan) Desvaux var. pectinata (Bunge) Regel & Herder; H. pectinata Bunge; Smelowskia calycina var. pectinata (Bunge) B. Fedtschenko; S. koelzii (K. H. Rechinger) K. H. Rechinger; S. pectinata (Bunge) Velichkin; S. tianschanica Velichkin.
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Smelowskia calycina
(
Vietnamese
)
provided by wikipedia VI
Smelowskia calycina là một loài thực vật có hoa trong họ Cải. Loài này được (Stephan) C.A. Mey. miêu tả khoa học đầu tiên năm 1831.[1]
Chú thích
Liên kết ngoài
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Smelowskia calycina: Brief Summary
(
Vietnamese
)
provided by wikipedia VI
Smelowskia calycina là một loài thực vật có hoa trong họ Cải. Loài này được (Stephan) C.A. Mey. miêu tả khoa học đầu tiên năm 1831.
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芹叶荠
(
Chinese
)
provided by wikipedia 中文维基百科
芹叶荠: Brief Summary
(
Chinese
)
provided by wikipedia 中文维基百科
芹叶荠(学名:Smelowskia calycina)为十字花科芹叶荠属下的一个种。