Botanical Survey of India | Flora of India

JSP Page

Herbs, often pubescent with 2 - 3-branched medifixed appressed hairs; stems leafy, branched mostly from base. Leaves simple, linear, elliptic or oblong, attenuate at base, entire or sinuate-toothed. Flowers in corymbose racemes, usually ebracteate, or bracteate only at base, orange, yellow or rarely purple. Sepals erect, inner ones pouched or saccate at base. Petals clawed. Stamens 6; filaments simple; anthers linear-oblong. Ovary pubescent, many-ovuled; stigma 2-lobed, capitate. Fruit a siliqua, linear, elongate-narrow, compressed, tetragonal or terete; valves 1-nerved, rounded or keeled. Seeds many, 1-seriate.

Chiefly Eurasian; about 100 species, 11 in India.



KEY TO THE SPECIES


1a. Plants usually dwarf, 3 - 12 cm high, branches crowded 2
b. Plants usually 15 - 75 cm high; branches not crowded 3
2a. Plants ca 3 cm high; pods 1.5 - 2 cm long; seeds with slender funicle 5. Erysimum funiculosum
b. Plants 7 - 12 cm high; pods 3.5 - 5 cm long; seeds with short funicle 4. Erysimum deflexum
3a Plants diffusedly branched; mature pods horizontal 10. Erysimum repandum
b. Plants not diffusedly branched; mature pods usually erect and stout 4
4a Pods usually 10 - 11 cm long 7. Erysimum longisiliquum
b. Pods usually 3 - 8 cm long 5
5a. Flowers ca 6 mm across 11. Erysimum thomsonii
b. Flowers usually 8 - 15 mm across 6
6a. Pedicels up to 5 mm long 1. Erysimum aitchisonii
b. Pedicels more than 5 mm long 7
7a. Leaves usually linear, 2 - 3 mm broad 2. Erysimum altaicum
b. Leaves usually oblong-elliptic or lanceolate, 5 - 10 mm broad 8
8a Mature pods usually 1.5 mm broad 9
b. Mature pods usually 2.5 - 3 mm broad 10
9a. Sepals ca 5 mm long 6. Erysimum hieraciifolium
b. Sepals ca 8 mm long 8. Erysimum melicentae
10a. Flowers ca 8 mm across 9. Erysimum pachycarpum
b. Flowers ca 12 mm 3. Erysimum cachemiricum


JSP Page
  • Search