Dendrocnide

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Dendrocnide
Dendrocnide stimulans (Urticaceae) (8169458545).jpg
Dendrocnide stimulans
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Urticaceae
Tribe: Urticeae
Genus: Dendrocnide
Miq. [1]
Type species
Dendrocnide costata
Miq.
Species

See text

Dendrocnide is a genus of approximately 40 species [lower-alpha 1] of plants in the nettle family Urticaceae . They have a wide distribution across North East India, Southeast Asia, Australia and the Pacific Islands. In Australia they are commonly known as stinging trees. [2] [1]

Contents

Description

Plants in this genus are evergreen shrubs or small trees, with the exception of the aptly-named giant stinging tree (D. excelsa) which may reach 35 m (115 ft) in height. [3] Dendrocnide species have a sympodial growth habit and are armed with fine needle-like stinging hairs. They are generally fast-growing and produce soft wood, and are usually found in areas of disturbed forest where they fill the role of a pioneer species. [1] [4] [5] [6]

The leaves are simple, alternate, and petiolate, (i.e. having long petioles or leaf-stems), and the leaf blade may be either entire or have some form of dentate toothing (notches or teeth on the edges of the leaf). The leaves are also often large, and may be either leathery or papery. The stipules are fused and deciduous, leaving conspicuous scars on the twigs after falling. [1] [4] [5]

The inflorescences are axillary and pedunculate, flowers are either solitary or in racemes or panicles. Male flowers may be 4- or 5-merous and the female flowers are 4-merous. Most species are dioecious, a small number are monoecious. [1] [4] [5]

Fruits are an achene, often compressed, and may be eclosed within the swollen pedicel. [1] [4] [5]

Taxonomy

The genus Dendrocnide was raised in 1851 by the Dutch physician, botanist, and taxonomist Friedrich Anton Wilhelm Miquel (18111871) who dedicated a large part of his life to describing specimens of the flora of the Dutch East Indies which were sent to him by his many contacts. [7] This genus was first published in the work Plantae Junghuhnianae , in which he described three species, namely D. peltata, D. costata (the original type species that is now known as D. stimulans) and D. coerulea. [8] [2]

Etymology

The name of this genus comes from Ancient Greek déndron (tree), and knī́dē (nettle), referring to the large size of most species in this genus. [9] [6] FR

List of species

Leaves clustered at the ends of the branches. Dendrocnide meyeniana Yao Ren Gou Dendrocnide meyeniana 20221020185903 03.jpg
Leaves clustered at the ends of the branches. Dendrocnide meyeniana

The following list shows all 42 species recognised by Plants of the World Online as of 17 April 2023 , and a brief summary of its distribution. [2]

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<i>Dendrocnide moroides</i> Species of plant in the family Urticaceae

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<i>Ochrosia</i> Genus of plants

Ochrosia is a genus of flowering plants, first described in 1789. It is in the family Apocynaceae, native to Southeast Asia, Australia, and various islands of the Indian and Pacific Oceans.

  1. Ochrosia ackeringae(Teijsm. & Binn.) Miq. – Indonesia, Philippines, Papuasia, Christmas Island
  2. Ochrosia acuminataTrimen ex Valeton – Sulawesi
  3. Ochrosia alyxioidesGuillaumin – Vanuatu
  4. Ochrosia apoensisElmer – Luzon, Mindanao
  5. Ochrosia balansae(Guillaumin) Baill. ex Guillaumin – New Caledonia
  6. Ochrosia basistaminaHendrian – Sulawesi
  7. Ochrosia bodenheimarumGuillaumin – Vallée de la Toutouta in New Caledonia
  8. Ochrosia borbonicaJ.F.Gmel. – Mauritius + Réunion; naturalized in Guangdong
  9. Ochrosia brevitubaBoiteau – New Caledonia
  10. Ochrosia brownii(Fosberg & Sachet) Lorence & Butaud – Nuku Hiva in Marquesas
  11. Ochrosia citrodoraK.Schum. & Lauterb. – New Guinea
  12. Ochrosia coccinea(Teijsm. & Binn.) Miq. – Maluku, Sulawesi, New Guinea, Solomon Islands; naturalized in Guangdong
  13. Ochrosia comptaK.Schum., Hōlei – Hawaii
  14. Ochrosia ellipticaLabill. – Lord Howe Island, Queensland, New Caledonia, Vanuatu, Nauru; naturalized in Guangdong + Taiwan
  15. Ochrosia fatuhivensisFosberg & Sachet – Fatu Hiva in Marquesas but extinct
  16. Ochrosia ficifolia(S.Moore) Markgr. – New Guinea
  17. Ochrosia glomerata(Blume) F.Muell. – Borneo, Sulawesi, Philippines, Maluku, New Guinea, Solomon Islands
  18. Ochrosia grandifloraBoit. – New Caledonia
  19. Ochrosia haleakalaeH.St.John, Hōlei – Maui + island of Hawaiʻi in Hawaiian Islands
  20. Ochrosia hexandraKoidz. – Kazan-retto
  21. Ochrosia inventorumL.Allorge – New Caledonia
  22. Ochrosia iwasakiana(Koidz.) Koidz. ex Masam.
  23. Ochrosia kauaiensisH.St.John, Hōlei – Kauaʻi in Hawaiian Islands
  24. Ochrosia kilaueaensisH.St.John, Hōlei – island of Hawaiʻi in Hawaiian Islands, but extinct
  25. Ochrosia kilneriF.Muell. – Queensland
  26. Ochrosia lifuanaGuillaumin – Loyalty Islands + Isle of Pines in New Caledonia
  27. Ochrosia mariannensisA.DC. – Mariana Islands
  28. Ochrosia mianaBaill. ex Guillaumin – New Caledonia
  29. Ochrosia minima(Markgr.) Fosberg & Boiteau – Queensland, Papua New Guinea
  30. Ochrosia moorei(F.Muell.) F.Muell. ex Benth. – Queensland, New South Wales
  31. Ochrosia mulsantiiMontrouz. – New Caledonia
  32. Ochrosia nakaiana(Koidz.) Koidz. ex H.Hara – Ogasawara-shoto
  33. Ochrosia newellianaF.M.Bailey – Queensland
  34. Ochrosia novocaledonicaDäniker – New Caledonia
  35. Ochrosia oppositifolia(Lam.) K.Schum. – Seychelles, Chagos Islands, Sri Lanka, Maldive Islands, Andaman & Nicobar Islands, Thailand, Vietnam, W Malaysia, Indonesia, Papuasia, Samoa, Tonga, Tuvalu, Vanuatu, Wallis & Futuna, French Polynesia, Line Islands, Micronesia
  36. Ochrosia poweriF.M.Bailey – Queensland, New South Wales
  37. Ochrosia sciadophyllaMarkgr – Bismarck Archipelago, Solomon Islands
  38. Ochrosia sevenetiiBoiteau – New Guinea
  39. Ochrosia silvaticaDäniker – New Caledonia
  40. Ochrosia solomonensis(Merr. & L.M.Perry) Fosberg & Boiteau – Solomon Islands
  41. Ochrosia syncarpaMarkgr. – Bali, Lombok, Timor, Flores
  42. Ochrosia tahitensisLaness. ex Pichon – Tahiti
  43. Ochrosia tenimberensisMarkgr. – Tanimbar Islands
  1. Ochrosia nukuhivensisFosberg & Sachet = Rauvolfia nukuhivensis(Fosberg & Sachet) Lorence & Butaud
  2. Ochrosia sandwicensisA.DC. = Rauvolfia sandwicensisA.DC.
  3. Ochrosia tuberculata(Vahl) Pichon = Rauvolfia sandwicensisA.DC.
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Vrydagzynea, commonly called tonsil orchids, is a genus of orchids in the tribe Cranichideae. About forty five species of Vrydagzynea have been formally described. They are native to India, Taiwan, Southeast Asia, Malesia, Melanesia and Polynesia. A single species in Australia is possibly extinct. They have thinly textured, stalked leaves and small, dull-coloured resupinate flowers with the dorsal sepal and petals overlapping to form a hood over the column.

<i>Thelasis</i> Genus of orchids

Thelasis, commonly known as fly orchids, is a genus of flowering plants from the orchid family, Orchidaceae. Plants in this genus are usually epiphytes, sometimes lithophytes or rarely terrestrials. Some species have pseudobulbs with up to three leaves, whilst others have several leaves in two ranks. A large number of small, white or greenish yellow flowers are borne on a thin, arching flowering stem. There are about thirty species, distributed from tropical and subtropical Asia to the southwest Pacific.

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<i>Pholidota imbricata</i> Species of orchid

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Symplocos cochinchinensis is a species of flowering plant in the sapphire-berry family Symplocaceae, native to tropical and subtropical Asia. The widespread Symplocos cochinchinensis subsp./var. laurina is now considered a synonym of Symplocos acuminata.

<i>Dendrocnide cordata</i> Species of plant in the family Urticaceae

Dendrocnide cordata, the stinger, is a species of flowering plant in the nettle family Urticaceae, native to the Bismarck Archipelago, the Lesser Sunda Islands, New Guinea, and Queensland. It is a rainforest tree reaching 10 m (33 ft), with irritating hairs on its large leaves.

<i>Adenia heterophylla</i> Species of plant in the family Passifloraceae

Adenia heterophylla, commonly known in Australia as the lacewing vine, is a climbing plant in the family Passifloraceae. It has a broad distribution spanning the equator, from the south eastern corner of China, through Indochina and Malesia, to northern Australia. In Australia it serves as a food plant for larvae of the glasswing, red lacewing and cruiser butterflies.

References

  1. 1 2 3 4 5 6 Chew, W.L. (2021). Kodela, P.G. (ed.). "Dendrocnide Miq". Flora of Australia . Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 20 July 2021.
  2. 1 2 3 "Dendrocnide Miq". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 17 April 2021.
  3. Chew, W.L. (2021). Kodela, P.G. (ed.). "Dendrocnide excelsa". Flora of Australia . Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 20 July 2021.
  4. 1 2 3 4 "PlantNET - FloraOnline". PlantNET (The NSW Plant Information Network System). Royal Botanic Gardens and Domain Trust, Sydney. Retrieved 20 July 2021.
  5. 1 2 3 4 "Dendrocnide Miq". World Flora Online . World Flora Online Consortium. Retrieved 20 July 2021.
  6. 1 2 Mlynarik, Tony. "Stinging Trees: Plants that make you go hmmm…". Land for Wildlife - South East Queensland. Retrieved 21 July 2021.
  7. Stafleu, F.A. "F. A. W. Miquel, Netherlands botanist" (PDF). Naturalis Institutional Repository. Retrieved 20 July 2021.
  8. Miquel, F.A.G. "Plantae junghuhnianae". Biodiversity Heritage Library . Retrieved 19 July 2021.
  9. Chew, W.-L.; Kodela, P.G. Kodela, P.G. (ed.). "Dendrocnide moroides". Flora of Australia . Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 19 July 2021.
  10. "Dendrocnide corallodesme". Australian Plant Name Index (APNI). Centre for Plant Biodiversity Research, Australian Government . Retrieved 19 July 2021.
  11. "Dendrocnide cordifolia". Australian Plant Name Index (APNI). Centre for Plant Biodiversity Research, Australian Government . Retrieved 19 July 2021.
  12. "Dendrocnide excelsa". Australian Plant Name Index (APNI). Centre for Plant Biodiversity Research, Australian Government . Retrieved 19 July 2021.
  13. "PlantNET - FloraOnline". PlantNET (The NSW Plant Information Network System). Royal Botanic Gardens and Domain Trust, Sydney. Retrieved 19 July 2021.
  14. "Dendrocnide moroides". Australian Plant Name Index (APNI). Centre for Plant Biodiversity Research, Australian Government . Retrieved 19 July 2021.
  15. "Dendrocnide peltata". Australian Plant Name Index (APNI). Centre for Plant Biodiversity Research, Australian Government . Retrieved 19 July 2021.
  16. "Dendrocnide photiniphylla". Australian Plant Name Index (APNI). Centre for Plant Biodiversity Research, Australian Government . Retrieved 19 July 2021.
  17. "Dendrocnide sinuata". Australian Plant Name Index (APNI). Centre for Plant Biodiversity Research, Australian Government . Retrieved 19 July 2021.

Notes