Earina

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Earina
EarMucronata.jpg
Earina mucronata
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Epidendreae
Subtribe: Agrostophyllinae
Genus: Earina
Lindl., 1834
Type species
Earina mucronata
Lindl., 1834

Earina is a genus of orchids (family Orchidaceae). At the present time (June 2014), 7 species are recognized, native to various islands in the Pacific Ocean. [1]

Contents

The New Zealand species are all epiphytic, or sometimes lithophytic, found growing on mossy trunks in the rain forests of both the North and South Islands. The strap-shaped leaves grow from pendulous wire-thin pseudobulbs that arise from creeping rhizomes. E. mucronata flowers mainly in the spring, whereas E. autumnalis, as its name suggests, flowers in the autumn—its flowers are fragrant. The flowers are tiny, typically less than 1 cm across, but are produced in abundance. A large flowering specimen in the bush looks spectacular.

Species

  1. Earina aestivalis Cheeseman. - New Zealand North Island
  2. Earina autumnalis (G. Forst.) Hook.f. - New Zealand (North and South Islands, plus Chatham Island)
  3. Earina deplanchei Rchb.f. - New Caledonia
  4. Earina floripecten Kraenzl. - New Caledonia
  5. Earina mucronata Lindl. - New Zealand (North and South Islands, plus Chatham Island)
  6. Earina sigmoidea T.Hashim. - Vanuatu
  7. Earina valida Rchb.f. - Vanuatu, New Caledonia, Fiji, Samoa

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<i>Earina autumnalis</i> Species of orchid

Earina autumnalis, is a species of orchid that is endemic to New Zealand.

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<i>Earina mucronata</i> Species of orchid

Earina mucronata is species of plant endemic to New Zealand. The specific epithet means "pointed" and refers to the shape of the tips of this orchid's very narrow leaves. The leaves are arranged alternately in one plane along a flattened, unbranched pseudobulb which can grow up to 1 m in length but which is generally shorter. As in most Monocotyledons the base of each leaf is extended into a leaf sheath which completely encircles the stem, in this species they are greatly elongated and extend the full length of the internode. The sheaths are 2 or 3 mm wide and in contrast to those of E. autumnalis they are difficult to pull off. Another key distinguishing feature of this species are the tiny, ubiquitous black spots which cover the leaf sheaths as well as many of the leaves themselves - these are notably absent in autumnalis.

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