Croton gratissimus Burch.
  • Trav. S. Africa


Cite taxon page as 'WFO (2020): Croton gratissimus Burch. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000931164. Accessed on: 04 Jul 2020'

Morphology

Fruits 8–10 × 8–11 mm, trilobate-subglobose, septicidal, densely greenish- or yellowish- to silvery-lepidote, brown-flecked.

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    Female flowers: pedicels 2–3 mm long, extending to 5 mm in fruit, stouter than the male, densely lepidote; sepals and petals ± as in the male; disk scarcely distinguishable; staminodes 4–5, 1.5 mm long, subulate-filiform; ovary 2.5 mm in diameter, globose, densely brown-lepidote; styles 3, 1 mm long, spreading, 2-partite with irregularly multifid segments, abaxially lepidote, adaxially glabrous, dull dark purple.

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    Male flowers fragrant; pedicels 1–3(5) mm long; buds 1.5–3.5 mm in diameter, subglobose, yellowish-lepidote; sepals 5, 4 × 2.5 mm, ovate, densely tawny-lepidote or rusty-lepidote without, stellate-pubescent within, greenish-yellow; petals 5, 4 × 1.5 mm, elliptic-oblong, sparingly rusty-lepidote without, puberulous within, ciliate, pale creamy-yellow to whitish; disk glands 5, truncate, glabrous; stamens 17–22, filaments 3–4 mm long, sparingly gland-dotted, otherwise glabrous, pale yellow, anthers 1.5 mm long, with a broad glandular connective, yellow; receptacle pubescent.

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    Racemes 1–15 cm long, erect at first, later drooping, terminal, androgynous or all male; axis angular; bracts 2–3(5) mm long, subulate, soon falling.

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    A shrub or tree up to 12 m tall, monoecious or sometimes dioecious; trunk usually Y-forked with drooping branches; crown sparse, open, rounded or ± pyramidal.

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    Seeds 7 × 5.5 × 3 mm, compressed-ellipsoid, smooth, slightly shiny, light brown; caruncle 1.5 mm wide, pentagonal, flattened.

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    Bole up to 40 cm d.b.h.; bark rough and longitudinally or rectangularly fissured on lower trunk, smooth on upper trunk, dark grey to pale brownish-grey, patterned.

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    Petioles 0.5–7 cm long.

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    Leaves aromatic when crushed; blades 1.5–18 × 0.5–6 cm, elliptic, elliptic-lanceolate or narrowly oblong-lanceolate, acuminate, obtuse or emarginate at the apex, entire, rounded to shallowly cordulate or cordate at the base, with a pair of sessile to long-stalked basal glands on the lower surface, or less often on the sides or upper surface of the petiole apex, chartaceous to thinly coriaceous, glabrous and deep green to midgreen or stellate-pubescent and olive-green on the upper surface, densely silvery-lepidote and rusty-flecked or fulvous stellate-lepidote beneath; midrib usually impressed above, prominent beneath; lateral nerves in 8–17 pairs, not prominent above, scarcely so to often invisible beneath.

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    Branches often in whorls of 3.Young twigs rusty-lepidote to fulvous stellate-lepidote.

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    Stipules 1.5–7 mm long, subulate-filiform.

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     Information From

    Euphorbiaceae
    • 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
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).
    Global Tree Assessment
    http://www.bgci.org/
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at www.bgci.org. Accessed on 30/11/2018.
    • D Botanic Gardens Conservation International