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Published In: Species Plantarum 1: 258. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 8/26/2009)
Acceptance : Accepted
 

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10. Chaerophyllum L. (chervil)

Plants annual, glabrous or hairy. Stems spreading to erect. Leaves alternate and usually also basal (1 to several leaves usually present at flowering), short- to long-petiolate, the uppermost leaves sometimes nearly sessile, the sheathing bases not or only slightly inflated. Leaf blades broadly ovate to oblong-ovate in outline, pinnately or ternately then pinnately 3 times compound, the ultimate leaflets entire to few-toothed or deeply pinnately lobed or dissected, the leaflets or lobes linear to narrowly obovate, mostly narrowed at the base, rounded or narrowed to a blunt or sharp point at the tip. Inflorescences terminal and axillary, compound or sometimes simple (1-rayed) umbels, short- to long-stalked or often sessile. Involucre absent (in sessile umbels, the subtending leaf sometimes appearing as a bract). Rays 1–4(–5), usually unequal in length, elongating as the fruits develop, ascending. Involucel of 4–6 bractlets, these mostly longer than the flower stalks but often shorter than the fruit stalks, usually fused together at the very base, elliptic-ovate to oblong-obovate, usually hairy along the margins. Flowers 2–15 in each umbellet, sessile or short-stalked at flowering (the umbellets thus appearing headlike at flowering), often elongating unequally as the fruits develop. Sepals absent. Petals obovate, rounded or shallowly notched at the tip, white. Ovaries glabrous or hairy. Fruits linear to narrowly oblong-elliptic in outline, rounded or narrowed at the base, narrowed or short-tapered at the tip, flattened laterally, glabrous or hairy, brown to dark brown with usually lighter ribs, the mericarps sometimes somewhat arched or curved, sometimes somewhat narrowed along the commissures, with 5 narrow to broad, low, blunt ribs, these lacking wings. About 35 species, U.S., Canada; Europe, Asia, Africa.

 

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1 1. Stems glabrous or sparsely hairy toward the base, sometimes also at the nodes; fruit stalks not thickened toward the tips ... 1. C. PROCUMBENS

Chaerophyllum procumbens
2 1. Stems moderately to densely hairy toward the base, sparsely to moderately hairy toward the tip (sometimes becoming nearly glabrous with age); fruit stalks somewhat thickened toward the tips ... 2. C. TAINTURIERI Chaerophyllum tainturieri
 
 
 
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