Trachyspermum aethusifolium Chiov.
  • Fl. Somala


Cite taxon page as 'WFO (2020): Trachyspermum aethusifolium Chiov. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000411390. Accessed on: 31 Oct 2020'

Morphology

Basal leaves withered at time of flowering; lowest stem leaves ± 7–9 × 3–6 cm., lamina broadly deltoid-ovate, ± bipinnate with 2–3 pairs of pinnae, basal pair with petiolules up to ± 1.5 cm. long, pinnae rather irregularly divided into linear, glabrous, rather bluntly mucronate segments up to ± 1.8 cm. long and ± 0.5–1.5(–2) mm. wide, flat with ± revolute margins, not dentate; petioles ± 2.5–4 cm. including the tapering, 4–10 mm., ribbed sheath; upper stem leaves becoming smaller, with shorter petioles and finally sessile, and segments narrower but otherwise very similar; uppermost leaves also much divided but very small.

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    Umbels numerous, with ± 3–10 rays 6–32 mm. long, glabrous or minutely scabrid; involucre absent or of a single linear bract up to ± 6 mm. long; partial umbels ± 11–18-flowered; pedicels 1–3 mm., glabrous or with bristly hairs; involucel of 3–6 subulate, 2–4 mm. bracteoles with scabrid margins; peduncles ± 2–8 cm., glabrous.

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    Calyx obsolete.

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    Annual herb, ± 15–70 cm. tall, much branched from near the base upwards except in depauperate plants, with long divergent branches; stem and branches slender, terete, striate, glabrous.

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    Petals white, obcordate with abroad, deep notch, ± 0.75 mm., shortly white hairy; anthers yellow or orange.

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    Fruit broadly ovate, ± 2 × 2 mm., white pilose or only verrucose, ribs not very prominent though more so in the verrucose form; stylopodia bluntly conical; styles slender, deflexed along the sides of the fruit, 2–3 times as long as the stylopodium.

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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