Cryptotaenia polygama C.C.Towns.
  • Kew Bull.


Cite taxon page as 'WFO (2020): Cryptotaenia polygama C.C.Towns. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000628515. Accessed on: 26 Oct 2020'

Morphology

Basal leaves long-petiolate (petiole ± 8–16 cm.), bi- or subtripinnate, deltoid in outline, the lower pinnules also stalked; leaflets ovate to elliptical, acuminate or acute, cuneate to subcordate at the base, regularly or irregularly jaggedly toothed with mucronate teeth, terminal leaflets largest, entire or trifid, ± 2–4 × 1–2.5 cm., rhachis and all leaflets ± multicellular-pilose at least on the primary venation of the lower surface; sheaths short and broad, oblong to triangular, striate; lower stem leaves similar but more shortly petiolate; median stem leaves more deeply toothed and with longer and narrower leaflets, the terminal longest, ± 3–8 × 0.7–2 cm., sheaths longer and narrower; uppermost leaves very deeply and narrowly divided.

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    Stem ± terete, hollow, pale-striate, glabrescent below the inflorescence to ± furnished throughout with brownish multicellular hairs.

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    Perennial herb, ± 0.5–2.5 cm., with an underground creeping rootstock, sparingly branched above.

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    Fig. 19/A–E.

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    Petals ± 1 mm., white, occasionally greenish or violet tinged.

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    Umbels numerous, on divergent subglabrous to multicellular-pilose, 2–8 cm. peduncles; rays (3–)4–6, distinctly multicellular-pilose (rarely subglabrescent when past fruiting), 1–3.5 cm.; involucre of 1–3 linear bracts ± 1 cm. long; flowers (4–)7–9 in each partial umbel, of which 2–3 are hermaphrodite and producing fruit on 3–12 mm. pedicels, the remainder ♂ on 2–4 mm. pedicels, all pedicels pilose; involucel of 1–3 linear bracts ± equalling the pedicels of the ♂ flowers.

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    Fruit ovate, 3–5 × 2.5–3 mm., laterally compressed, distinctly short-pilose when young but glabrescent at maturity, blackish when ripe with greenish ribs; calyx-teeth totally obsolete; stylopodia long-conical, shorter than the ± 1 mm., divergent or somewhat recurved styles.

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    Male flowers with rounded, cushion-like stylopodia bearing no styles.

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     Information From

    Apiaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Plants Of the World Online Portal - FTEA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • B
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).
    International Union for Conservation of Nature
    https://www.iucn.org/
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • D All Rights Reserved
    International Union for Conservation of Nature v.3
    https://www.iucnredlist.org/
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • E See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use