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Arundina graminifolia

Arundina graminifolia

Scientific Classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Liliopsida
Order: Asparagales
Family:Orchidaceae
Subfamily: Epidendroideae
Tribe: Arethuseae
SubTribe: Bletiinae
Genus: Arundina
Species: Ar. graminifolia
Alliance:
Binomial name
Arundina graminifolia
Blume 1825


Arundina graminifolia is a species of orchid from the genus Arundina.

DescriptionEdit

Arundina graminifolia is a terrestrial multiperennial orchid with reedy stems, forming large clumps growing to a height of 70 cm to 2 m.

This orchid blooms in summer and autumn, showing rather open clusters of showy terminal flowers, ten at the most. They bloom in succession on the terminal racemes, which are 7 to 16 cm long. These flowers, 5 – 8 cm in diameter, are a rosy lilac and white disk with a purple lip. The bracts are wide triangular and surround the main stalk of the flower cluster. The occasional fertilized seed pods contain minute powdery seeds, and small plants often develop near the cane ends after flowering, and likely aid in propagation if allowed to reach the soil.

With only 200 of the plant to be recorded growing naturally in Singapore, the species is close to extinction there, largely because of destruction of its natural habitat, namely the rainforests and mangrove forests. The remaining plants, commonly called Tapah weeds, can be found in the secondary forests or at the forest fringes. It is however very common in road cuts and other disturbed areas in full sun in Sarawak, East Malaysia, where it often is the most common flowering plant to be seen along the roadsides.

The plaited linear leaves are oblong lanceolate, with a length of 9 to 19 cm and a width of 0.8 to 1.5 cm. The apex is acuminate. There are amplexicaul (clasping the stem) sheaths.

DistributionEdit

This tropical Asiatic genus extends from India, Nepal, Thailand, Malaysia, Singapore, South China to Indonesia and across the Pacific Islands at elevations of 0 to 1000 meters. It was introduced to Puerto Rico, Costa Rica , Guatemala and Panama.

CultureEdit

Plants grows in intermediate to warm temperatures with shade. When potting Arundina plants, the pseudobulbs must be half buried into the potting media. Plants can be potted in 40% soil, 40% dry bark and 20% perlite or another humus rich soil mixture. Plants should be watered regularly.

VaritiesEdit

ImageNameDescription
Arundina graminifolia2 Arundina graminifolia variant Sepals white and petals are pink, lip is magenta

NamingEdit

Arundina graminifolia plate

Arundina graminifolia from The Orchid Album

Common Names: The Grass-Like Leaf Arundina, bamboo orchid

SynonymsEdit

  1. Arundina affinis Griff. 1851
  2. Arundina bambusifolia [Roxb]Lindley 1831
  3. Arundina cantleyi Hook. f. 1890
  4. Arundina celebica Schltr. 1911
  5. Arundina chinensis Blume 1825
  6. Arundina densa Lindley 1842
  7. Arundina densiflora Hook. f. 1890
  8. Arundina graminifolia var. revoluta (Hook. f.) A.L. Lamb 1994
  9. Arundina maculata J.J. Sm. 1933
  10. Arundina meyenii (Schauer) Rchb. f. 1852
  11. Arundina minor Lindl. 1831
  12. Arundina philippi Rchb. f. 1852
  13. Arundina pulchella Teijsm. & Binn. 1855
  14. Arundina pulchra Miq. 1861
  15. Arundina revoluta Hkr.f 1890
  16. Arundina sanderiana Kraenzl. 1893
  17. Arundina speciosa Bl. 1825
  18. Arundina speciosa var. sarasinorum Schltr. 1925
  19. Arundina stenopetala Gagnep. 1932
  20. Arundina subsessilis Rolfe 1914
  21. Arundina tahitensis Nadeaud 1873
  22. *Bletia graminifolia D. Don 1825
  23. Cymbidium bambusifolium [Lindley]Roxb. 1814
  24. Cymbidium meyenii Schauer 1843
  25. Cymbidium speciosum Reinw. ex Lindl. 1859
  26. Donacopsis laotica Gagnep. 1932
  27. Limodorum graminifolium [D.Don] Buch.-Ham. 1890
  28. Ophrys arundinacea Noronha 1790

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