Botanical Survey of India | Flora of India
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JSP Page
KEY TO THE SPECIES
| 1a. Leaves finely membranous, sessile or narrowed to a very slender petiole; achenes short, constricted
into a short, stout beak
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2.
Lactuca graciliflora
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| b. Leaves with base developed into a broad, long, winged petiole which is dilated and auricled;
achenes elongate, merging with the beak
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2
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| 2a. Lower leaves hastate, cordate or deltoid with incurved margins;
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3
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| b. Lower leaves usually runcinate-pinnatitid, without incurved
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4
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| 3a. Achenes 10-12 mm long, narrowed at both ends with a dark brown beak; inner bracts 15-18 mm
long, with much scattered bristles
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5.
Lactuca rapunculoides
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| b. Achenes 7-7.5 mm long, narrowed into a pale beak; inner bracts 12-15 mm long, glabrous or with
few minute bristles
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4.
Lactuca lahulensis
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| 4a. Outer involucral bracts 4-6.5 x 1.5-2.5 mm, unequal; achenes sparsely hairy, blackish
brown or pale brown
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1.
Lactuca decipiens
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| b. Outer involucral bracts 1-1.5 x 0.5-1 mm, all equal; achenes glabrous, yellowish
brown
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3.
Lactuca kashmiriana
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JSP Page
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