Lactuca dissecta D.Don

Species

Angiosperms > Asterales > Asteraceae > Lactuca

Characteristics

Herbs ca. 40 cm tall, annual. Stem solitary, erect, simple or divaricately branched from base; branches slender, glabrous. Leaves glabrous, base sagittately to auriculately clasping stem. Lower and middle stem leaves obovate, spatulate, or elliptic, 3-7 × 1-3.5 cm, pinnatipartite to subpinnatisect, margin entire or sparsely dentate; lateral lobes 3-6 pairs, rhombic, flabelliform, or orbicular, apex rounded to acute; terminal lobe rhombic, apex acute. Upper stem leaves lanceolate to linear-lanceolate, smaller, less or not divided, apex acuminate. Synflorescence corymbiform, with some to numerous capitula. Capitula with ca. 15 florets; peduncle capillaceous, usually longer than capitulum. Involucre narrowly cylindric and ca. 6 mm at anthesis, longish ovoid and to 1.3 × 0.3-0.4 cm in fruit. Phyllaries abaxially purplish red, glabrous, apex acute; outer phyllaries ovate to linear-lanceolate, approaching inner phyllaries to 3/4 their length; inner phyllaries ca. 5. Florets blue to bluish purple [or pale yellowish]. Achene body pale brown to blackish, obovoid, ca. 2.5 mm, compressed, with 3 ribs on either side; beak white, filiform, 4-4.5 mm. Pappus 3-4 mm. Fl. and fr. Jun. 2n = 16.
More
An annual herb. It grows 20 cm tall. It has a single stem with slender branches. The leaves clasp the stem at the base. The leaves are spoon shaped or narrow and 3-7 cm long by 1-4 cm wide. They are divided along the stalk.
Life form annual
Growth form herb
Growth support -
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Sexuality hermaphrodite
Pollination -
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Mature width (meter) -
Mature height (meter) 0.4
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Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
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Environment

It is a temperate plant. It grows on waste areas near fields during winter. In western China it grows in grassland at about 2,000 m above sea level.
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Hardiness (USDA) 5-11

Usage

The plant is used as a vegetable.
Uses medicinal
Edible leaves
Therapeutic use -
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Animal toxicity -

Cultivation

Mode -
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Distribution

Lactuca dissecta world distribution map, present in Afghanistan, Bhutan, China, India, Kazakhstan, Kyrgyzstan, Nepal, Oman, Pakistan, Saudi Arabia, Tajikistan, Turkmenistan, and Uzbekistan

Identifiers

LSID urn:lsid:ipni.org:names:227967-1
WFO ID wfo-0000023096
COL ID 3RT45
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Chondrilla auriculata Lactuca arvensis Lactuca stocksii Lactuca auriculata Lactuca dissecta