Tropicos | Name - Ligusticum L.

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Ligusticum L.

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Published In: Species Plantarum 1: 250. 1753. (1 May 1753) (Sp. Pl.)

Project Name Data (Last Modified On 6/2/2011)

Acceptance : Accepted

Project Data (Last Modified On 6/3/2011)

General/Distribution: A genus of over 60 north temperate species and well represented in the Himalayas from 2-3000 m. It is very near Selinum but differs in the absence of prominent calyx teeth, more prominent dorsal and intermediate ridges and in having more than one vitta in the fruit furrows.

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Plants perennial. Stem base usually fibrous. Leaves radical and cauline, 1-3-pinnate, glabrous or pubescent. Umbels lateral and terminal. Involucre of a few bracts or lacking. Involucel of 5-8 linear bractlets. Calyx teeth minute to obsolete. Fruit elliptic to oblong, ovoid or almost orbicular; subterete to dorsally compressed; ridges prominent to winged; furrows 2-4-vittate; commissure 6-8-vittate. Inner seed face plane to slightly concave.

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1	Leaves 3-pinnate; segments narrowly linear
+	Leaves 1-2-pinnate; segments lanceolate to oval	(2)

2 (1)	Fruit dorsally compressed; dorsal and intermediate ridges narrowly winged, lateral broadly winged. Lower leaves Pinnate or bipinnate	(3)
+	Fruit subterete, ellipsoid; fruit ridges narrowly winged; dorsal and intermediate ridges almost as broad as the lateral. Lower leaves pinnate	Ligusticum thomsonii

3 (2)	Lower leaves pinnate; pinnae 2-3 cm long. Mericarps almost orbicular
+	Lower leaves bipinnate. Mericarps oblong	Ligusticum elatum

Lower Taxa

Ligusticum elatum (Edgew.) C.B. Clarke
Ligusticum thomsonii C.B. Clarke

Cite this page: Tropicos.org. Missouri Botanical Garden. 25 Apr 2024<http://www.tropicos.org/Name/40006667>