Thonningia sanguinea Vahl
  • Skr. Naturhist.-Selsk.


Cite taxon page as 'WFO (2020): Thonningia sanguinea Vahl. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000410707. Accessed on: 29 Oct 2020'

Morphology

Leaves triangular-ovate, lower ± 8 × 4 mm., upper 20 × 8 mm., forming an involucre around the spadix.

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    Inflorescence-bearing stems appearing a few cm. above soil-surface with their bright red, flowering upper parts, 5–20 cm. long from tuber.

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    Tuber trailing 10–15 cm. below soil surface, 20 cm. or more long, 0.6–0.8 (1–1.5 in swollen part) cm. in diameter, minutely pilose.

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    Flowers apparently ebracteate or ♂ subtended by minute reduced bracts.

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    Inflorescence 2.8–3 × 3.2–3.9 cm., ♂ spadices depressed-hemispherical, ♀ spadices hemispherical.

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    Female flowers 3 mm. long, ovary with perianth ± 2 mm., style 1–1.5 mm.

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    Male flowers, including pedicel, up to 1.5 cm. long with perianth-segments ± 3 mm. long and synandrium 5–6 mm. long.

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    Fig. 2.

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    Infructescence dark red, fleshy, ovoid, with spadix strongly swelling above involucre.

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    Seeds 0.75–1.5 mm long, ellipsoid, creamy.

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    Infructescence 2.5–3.5 cm diameter, dull reddish-black to crimson, looking like a strawberry.

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    Female flowers: perianth 1–1.5 mm long; style 2–3 mm long, filiform.

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    Male flowers 8–15 mm long; perianth segments 2–4, lanceolate, acute; stamens 2–6 in cylindrical synandrium, anthers whitish-cream.

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    Bracts 5–30 × 3–11 mm, ovate to lanceolate, acute to acuminate, margins irregularly and obscurely serrulate, rigid, becoming smaller towards base of involucre and continuous with scales on peduncle, pinkish-crimson turning brown with age.

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    Plant to 18 cm tall.

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    Rhizomes 3–8 mm diameter, pubescent.

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    Peduncles 0–13 cm tall, glabrous to pubescent (particularly in axils of scales); scales 4–10 × 2–5 mm, ovate to lanceolate, acute, margins sometimes irregularly and obscurely serrulate, rigid, glabrous.

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    Tuber irregularly shaped from subspherical up to 8–10 cm diameter to elongate, 5–17 × 1.3–4 cm, densely pubescent.

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    Inflorescence heads 2.5–5 cm long, opening to 1.5–5.5 cm broad.

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     Information From

    Balanophoraceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Plants Of the World Online Portal - FZ
    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
    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
    • C
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).