Botanical Survey of India | Flora of India

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Herbs, annual, biennial or perennial, glabrous or pubescent; hairs simple, medifixed, forked or stellately branched; stems erect, often simple. Basal leaves in a rosette, spathulate, stalked and hairy; cauline sessile, amplexicaul, entire or toothed. Racemes usually (in fruit), bracteate or ebracteate. Flowers white, purple or rose-coloured. sepals erect or spreading, short, often slightly saccate at base. Petals obovate-oblong, entire, usually clawed, longer than sepals. Stamens 6; filaments not appendaged; anthers oblong-linear. Ovary linear, many-ovuled; style distinct; stigma capitate or emarginate. Fruits linear-oblong, usually compressed; valves veiny with weak midrib; style short; seeds usually ovate, compressed, more or less winged.

Chiefly in Northern temperate zone and S. America; about 100 species, 9 in India.


1a. Cauline leaves either auricled or amplexicaul to subamplexicaul at base 2
b. Cauline leaves neither auricled nor amplexicaul at base 7
2a. Seeds either margined or narrowly winged 3
b. Seeds neither margined nor winged 5
3a. Fruits pubescent 3. Arabis nova
b. Fruits glabrous 4
4a. Flowers ca 10 mm across 2. Arabis bijuga
b. Flowers ca 5 mm across 5. Arabis pterosperma
5a. Basal leaves entire 6. Arabis recta
b. Basal leaves toothed or crenate-serrate 6
6a. Basal leaves 3 - 4 cm long; flowers ca 5 mm across 4. Arabis pangiensis
b. Basal leaves 5 - 15 cm long; flowers ca 9 mm across 1. Arabis amplexicaulis
7a. Cauline leaves ca 0.5 cm long, linear or absent 7. Arabis saxicola
b. Cauline leaves 0.8 - 2 cm long, usually oblong-obovate, toothed or lobulate 8
8a. Fruits ca 8 cm long; style ca 2 mm long 8. Arabis tenuirostris
b. Fruits ca 6 cm long; style ca 1.5 mm long 9. Arabis tibetica

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