Eriochilus
| Bunny orchids | |
|---|---|
 |
|
| Eriochilus dilatatus subsp. undulatus | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Orchidoideae |
| Tribe: | Diurideae |
| Subtribe: | Caladeniinae |
| Genus: |
Eriochilus R.Br. |
| Synonyms | |
|
Eriochilum Ritgen |
|
Eriochilum Ritgen
Eriochilus, commonly known as bunny orchids, is a genus of flowering plants in the orchid family, Orchidaceae that is endemic to Australia. Orchids in this genus are distinguished from those in the similar Caladenia by having a leaf and a densely woolly labellum. Species occur in south-west Western Australia, South Australia, Queensland, New South Wales, the Australian Capital Territory, Victoria, and Tasmania. Their common name alludes to their prominent ear-like sepals.
Orchids in the genus Eriochilus are terrestrial, perennial, deciduous, sympodial herbs usually with a few inconspicuous, fine roots and a roughly spherical, tuber. Replacement tubers form at the end of short "droppers". There is a single, glabrous, egg-shaped to lance-shaped leaf either at the base, or in the middle of the flowering stem.
The inflorescence is a raceme with up to 25 resupinate flowers, each with a small bract at the base of its stalk. The sepal is smaller than the other two sepals, is dished and erect but curves forward to form a hood over the labellum. The sepals are much longer, broader and more conspicuous than the dorsal sepal and are white to pink and spreading. As is usual in orchids, one petal is highly modified as the central labellum. The other two petals are usually smaller and narrower than the sepals and are either erect, spreading or curved backwards towards the ovary. The base of the labellum partly surrounds the lower part of the column forming a tube while the front is strongly curved downwards, covered with glandular hairs and often spotted. The sexual parts of the flower are fused to the column, which is erect, short, weakly curved and has narrow, wing-like structures. Bunny orchids flower from late winter to early summer, depending on species. The fruit that follows flowering is a non-fleshy, dehiscent capsule containing up to 500 seeds.
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Wikipedia