Erythroselinum atropurpureum (Steud. ex A.Rich.) Chiov.
  • Ann. Bot. (Rome)


Cite taxon page as 'WFO (2020): Erythroselinum atropurpureum (Steud. ex A.Rich.) Chiov. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000679636. Accessed on: 26 Oct 2020'

Morphology

Stem simple or sparingly branched, terete, sometimes red-spotted, finely striate, the internodes long, upper branches sometimes opposite or in a whorl of 3.

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    Glabrous herb, probably biennial to perennial, 0.2–1.3 m.; root slender or somewhat thickened below the surface of the soil.

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    Umbels numerous, on mostly 1.5–9 cm. peduncles, rarely lateral and sessile on a branch; rays 4–11, glabrous, 1–4 cm.; involucre absent or of 1–4 small, linear bracts; flowers (3–)6–13 in each partial umbel, on glabrous, (3–)6–13 mm. pedicels; involucel of 1–3 small linear bracts, frequently unilateral.

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    Lower leaves 1–2-pinnate with 1–4 pairs of pinnae, when bipinnate these with 1–2 pairs of pinnules; very variable in form, with leaflets varying from ovate with jagged, acute teeth with anastomosing veins and up to ± 2 × 1 cm. to narrowly linear and remotely sharply toothed, 20–160 × 2–5 mm. with parallel veins; veins always prominent on the lower surface; petiole 2.5–20 cm.; sheath tapering into the petiole, 1–4 cm., strongly nerved, membranous-margined; upper leaves rapidly reducing, sessile on the sheaths, narrowly divided with entire or toothed segments, the uppermost very narrowly trisect.

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    Fruit elliptic-oblong to oblong-obovate, 4–5 × 2–2.5 mm., rather fleshy until quite mature, dorsally compressed, with a thick, pale margin, dark centrally, calyx obsolete; stylopodia rounded, purplish; styles of hermaphrodite flowers slender, ± 1 mm., ± deflexed, subequalling to slightly exceeding the stylopodia.

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    Petals ± 1 mm., blackish purple.

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    Fig. 36, p. 108.

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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).