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Pimpinella monoica


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Genus Pimpinella

Herbs, perennial , rarely biennial or annual . Root fibrous or a taproot . Stems erect , branching, base without fibrous remnant sheaths . Basal leaves petiolate , sheathing at base; blade 13-ternate, 14-pinnate or ternate-13-pinnate, sometimes simple . Cauline leaves often heteromorphic. Inflorescence branching, umbels terminal and lateral ; bracts and bracteoles present or absent, usually linear , apex entire; rays few to numerous . Calyx teeth usually obsolete , sometimes conspicuous , lanceolate, minute. Petals white, rarely purple, glabrous or hairy abaxially. Stylopodium conic or low-conic, rarely depressed ; styles short or long, spreading or reflexed (best observed in young or mature fruit). Fruit cordate-ovoid or oblong-ovoid, slightly laterally compressed , constricted at the commissure , glabrous or variously hairy; ribs 5, filiform , sometimes obscured by the indumentum; vittae 13(4) in each furrow, 24(8) on commissure. Seed face plane , rarely slightly concave . Carpophore 2-fid or 2-parted.

About 150 species: disjunct between Africa, Asia, and Europe; 44 species (28 endemic, one introduced ) in China.

This large, widespread, and taxonomically complex genus is generally characterized by the small, rather featureless fruits. In China, Pimpinella can be divided into two groups: those species with hairy, puberulent , or distinctly roughened fruits and obsolete calyx teeth; and those with smooth , glabrous fruits and obsolete or conspicuous calyx teeth. Plants falling within the former group should be also be compared with Trachyspermum. Several groups of allied species can be recognized within Chinese Pimpinella where species boundaries are indistinct; the P. candolleana complex is a typical example. As these groups are often widespread across Asia, full resolution of the nomenclatural and taxonomic problems can only be achieved with a broad revision across many countries.[1]


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Similar Species

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Members of the genus Pimpinella

ZipcodeZoo has pages for 7 species, subspecies, varieties, forms, and cultivars in this genus:

P. anisum (Anise) · P. major (Hollowstem Burnet Saxifrage) · P. major 'Rosea' (Greater Burnet Saxifrage) · P. saxifraga (Solidstem Burnet Saxifrage) · P. saxifraga nigra (Solidstem Burnet Saxifrage) · P. saxifraga saxifraga (Solidstem Burnet Saxifrage) · P. saxifraga subsp. nigra (Solidstem Burnet Saxifrage)

More Info

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Further Reading

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  1. Pu Fa-ting, Mark F. Watson "Pimpinella". in Flora of China Vol. 14 Page 93. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at [back]
Last Revised: 2014-05-11