Peucedanum oblongisectum C.C. Towns.
  • Kew Bull.


Cite taxon page as 'WFO (2020): Peucedanum oblongisectum C.C. Towns. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001068948. Accessed on: 31 Oct 2020'

Morphology

Stem broadly fistular, finely striate, glabrous, probably juicy, ± 5 mm. wide at the base, with rather few, opposite (occasionally verticillate) or alternate, long, slender and ascending branches above.

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    Basal leaves apparently few (2–3), 30–42 × 10–28 cm., the lamina oblong-ovate to flabellate, 1–2-pinnate with 2–4 pairs of sessile or petiolulate pinnae, leaflets and pinnae broadly decurrent along the axes and petiole in large forms; leaflets narrowly to broadly oblong, ± obtuse, ± 6.5–12 × 1–5 cm., with broad but sharply mucronate, divergent teeth, glabrous or more usually sparingly to densely furnished with coarse, long, stramineous, setose hairs on the lower surface of the primary venation; petioles setose or glabrous, 12–20 cm. including the 6–7 cm., broad, striate sheaths; stem leaves with distinct lamina 1–2 only, reduced; bract-like leaves numerous in the flowering part of the stem.

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    Erect perennial (? or biennial) herb, ± 0.8–0.9 m., with a broadly ellipsoid tuber 3–4 cm. long.

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    Anthers concolorous.

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    Fruit oblong or oblong-obovate, glabrous, slightly emarginate at base and apex, 9–13 × 5–7 mm., the fertile centre 2.5–3 mm. wide; commissural vittae 4–6, very obscure and ± concealed by overlying tissue; vallecular vittae solitary; stylopodia conical but very low, edge of narrow disk ± crenulate; styles short, deflexed or divergent, shorter than the stylopodia.

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    Calyx obsolete.

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    Petals oblong or elliptic, ± 1 mm., creamy- or greenish-yellow sometimes suffused with purple dorsally, glabrous, univittate.

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    Umbels with 9–16 glabrous rays (2.5–)4–13.5 cm. long; involucre absent or of 1–2 minute bracts; partial umbels 11–17-flowered, the glabrous pedicels 5–25 mm.; involucel absent or of 1–2 minute bracteoles; peduncles 7–30 cm.

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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