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Conostephium facts for kids

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Conostephium pendulum.JPG
Pearl flower Conostephium pendulum
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Ericaceae
Subfamily: Styphelioideae
Tribe: Styphelieae
Genus: Conostephium
Type species
Conostephium pendulum

Conostephium is a genus of flowering plants in the family Ericaceae. The name of the genus comes from Greek words, conos, "cone" and stephanos, "that which encircles, a crown or wreath".


The plants in the genus Conostephium are small evergreen shrubs with small to medium-sized simple leaves. The flowers occur singly in the axils of the leaves, have 5 sepals, 5 corolla lobes ("petals") which are united at their base into a long corolla tube, and 5 stamens. The fruit is a more or less fleshy drupe.


There are 12 species in the genus, 4 having been added recently. The most distinctive features of the genus are the corolla tube which is conical in the upper half, the tiny corolla lobes and very long anthers which are fully enclosed within the corolla tube. These 3 features are thought to be adaptations to buzz pollination. The genus is most closely related to Brachyloma and Stenanthera but those genera have saccate corolla tubes, much large corolla lobes and shorter anthers which extend partially beyond the corolla tube.

Conostephium pendulum was the first species of Conostephium to be described (by Bentham in 1837). Then, within ten years, two more were added - (C. minus and C. preissii). In 1859, the Russian botanist Sergej Sergeevitch Stscheglejew described a new genus, Conostephiopsis in which he placed a new species (Conostephiopsis drummondii). At the same time, he transferred C. minus and C. preissii to the new genus, making Conostephium once more monotypic. In 1886, Bentham in Flora Australiensis grouped the two genera and added a fourth species (Conostephium roei). Much later, C. marchantiorum Strid (1986), C. uncinatum Moezel (1987) and C. magnum Cranfield (2002) were added. The latest additions were made (in 2013) by Michael Hislop, a botanical taxonomist at the Western Australian Herbarium


The following is a list of Conostephium species accepted by the Australian Plant Census as at September 2020:

  • Conostephium drummondii Stschegl C.A.Gardner
  • Conostephium hortiorum Hislop
  • Conostephium laeve Hislop
  • Conostephium magnum Cranfield
  • Conostephium marchantiorum Strid
  • Conostephium minus Lindl
  • Conostephium papillosum Hislop
  • Conostephium pendulum Benth
  • Conostephium preissii Sond
  • Conostephium prolatum Hislop
  • Conostephium roei Benth
  • Conostephium uncinatum Moezel


All Conospermum species are endemic to the southwestern part of Western Australia.

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