Ferula communis L.
  • Sp. Pl.


Cite taxon page as 'WFO (2020): Ferula communis L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000686505. Accessed on: 31 Oct 2020'

Morphology

Fig. 40.

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    Large, glabrous perennial herb ± 0.9–1.8 m., tall, with a stout, solidly pithy stem; stem and branches terete, finely striate.

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    Fruit very strongly dorsally compressed, almost flat, broadly obovate to broadly elliptic, ± 10–17 × 5.5–12 mm., primary ribs narrowly prominent; stylopodia depressed, crenate-margined, shortly conical centrally; styles slender, recurved, ± 2 mm.; vittae 3 in each dorsal vallecula, but sometimes reduced to 2 or even 1 in some, or interrupted; commissure 4-vittate.

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    Basal leaves mostly 4–6, broadly oblong in outline, ± 35–85 × 15–35 cm., tripinnatisect with mostly 6–8 pairs of pinnae, the ultimate segments mucronate, narrowly linear, ± 6–35 × 0.25–1 mm., channelled above, the margins revolute below (frequently to the midrib); sheaths oblong, ± 10–24 cm., narrowing upwards and ± auriculate at the apex; petioles ± 10–18 cm.; lower stem leaves similar but smaller; median stem leaves sessile on the sheaths, deltoid, about as broad as long; inflorescence leaves mostly reduced to narrowly oblong, amplexicaul sheaths which are ± acuminate — the lower firm and green, sometimes with a rudimentary lamina, the uppermost thinner and submembranous; all leaves glabrous.

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    Petals bright yellow, ovate, glabrous, 1–1.25 mm., with an acute, incurved apex.

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    Umbels numerous, the lower often solitary and unisexual, the upper alternate or opposite, mostly 3 on a common branch with a larger central hermaphrodite umbel and 2 lateral males; terminal umbels in groups of 3 to 5, the central hermaphrodite and the lateral 2–3(–4) ♂; buds arising at anthesis from pairs of concave bracts, the hermaphrodite arising centrally and the males clasped in the bracts. Peduncle of hermaphrodite umbels 0–5.5 cm., of males 2.5–11 cm.; no involucre to either; hermaphrodite umbels with ± 10–25 rays 1.5–5 cm. long; partial umbels ± 10–18-flowered, pedicels 5–12 mm.; involucel absent; ♂ umbels with ± 13–25 rays 1–2.5 cm. long; partial umbels ± 10–25-flowered, pedicels 3–6 mm.; involucel absent or of up to 3 very narrowly linear, tapering bracteoles to ± 3 mm. long.

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    Calyx distinct, lobes deltoid, acute, ± 0.25 mm., shrivelling and deciduous in fruit.

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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).