Bertya gummifera

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Bertya gummifera
Bertya gummifera 8002290357 608ff1640f o.jpg
Dandry Gorge, in the Pilliga, NSW
Bertya Gummifera t XVI A.png
Tab XVI A [1]
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Bertya
Species:
B. gummifera
Binomial name
Bertya gummifera
Bertya gummifera DistMap10.png
Occurrence data from Australasian Virtual Herbarium
Synonyms [3]

Bertya gummifera var. genuina Müll.Arg.
Bertya neglecta Dümmer
Bertya polymorpha var. mitchelliana Baill.
Croton gummifer A.Cunn. ex Planch.

Contents

Bertya gummifera [4] is a sticky shrub [4] in the family Euphorbiaceae, endemic to New South Wales. [4] [5] [6] It grows in woodland and often in sandstone areas. [4] It flowers in spring. [4]

Description

Male flower P2098030 Bertya gummifera - male flower.jpg
Male flower

Bertya gummifera is a sticky shrub, growing from 1–2 m high. [4] The young growth is covered long whitish hairs, which sometimes persist on the stems, but most of the plant loses these and becomes rough and hairless with age. [4] The rough-surfaced leaves are 10–50 mm long and about 2 mm wide, and have margins which are rolled downwards from the upper surface (revolute). The flowers (with and without stalks) are crowded, and have 5-8 bracts. The male flowers have triangular outer bracts which are shorter and less broad than the inner bracts and the perianth segments are about 4 mm long and a reddish brown. The female flowers have narrower bracts, and their perianth segments enlarge and enclose the fruit.

The capsule is up to 12 mm long and about 7 mm in diameter. [4] The species was first described as Bertya gummifera by the botanist Jules Émile Planchon in 1845. [1] [2]

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References

  1. 1 2 3 Planchon, J.E. in Hooker, W.J. (1845) Description de deux genres nouveaux de la famille des Euphorbiacees. London Journal of Botany 4: 473 , t. 16A
  2. 1 2 "Bertya gummifera". Australian Plant Name Index, IBIS database. Centre for Plant Biodiversity Research, Australian Government.. Accessed 22 June 2019.
  3. ↑ Govaerts, R. et al. (2019) Plants of the world online: Bertya gummifera. Board of Trustees of the Royal Botanic Gardens, Kew. Accessed 22 June 2019.
  4. 1 2 3 4 5 6 7 8 "Bertya gummifera R.Br". PlantNET – FloraOnline. National Herbarium of NSW. Retrieved 2019-06-22.
  5. ↑ "Bertya gummifera – Occurrence records". The Australasian Virtual Herbarium. Council of Heads of Australasian Herbaria. Retrieved 2019-06-22.
  6. ↑ Barrett, R. (2017) Bertya gummifera. In: Flora of Australia. Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Accessed 22 June 2019.


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