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Christmas Island hairseed

Thrixspermum carinatifolium

Christmas Island hairseed
Photo: Johannes Jacobus Smith, Public domain

Christmas Island hairseed is an epiphytic orchid that grows perched on the upper branches of rainforest trees, with flattened straggly stems and fleshy leaves. It is a wild rainforest species rather than a common cultivated houseplant, so its care needs come from general orchid knowledge.

Family
Orchidaceae (Orchid family)
Grows as
Epiphyte, Orchid
Light
Part shade, Bright indirect
Water
Water when the growing medium is nearly dry, and keep humidity up between waterings; avoid soggy roots.
Soil
Open, fast-draining epiphyte mix such as bark or sphagnum, or mounted on a branch or cork.
Temperature
18–30 °C; protect below 15 °C.
How easy
Hard
Native range
Pen. Malaysia to Christmas I.
Climate
wet tropical

About

Thrixspermum carinatifolium, commonly known as the Christmas Island hairseed, is an epiphytic orchid with flattened, straggly stems that form clumps with many branching aerial roots. It has flattened fleshy leaves arranged in two ranks along the stems and white or yellowish, widely opening flowers. This orchid occurs from Peninsular Malaysia to Christmas Island, an Australian territory.

Where it grows

Thrixspermum carinatifolium grows on the upper branches of rainforest trees, sometimes near the sea. It occurs in Java, southeast Johor and Aur Island in Peninsular Malaysia, Sumatra and Christmas Island.

Other Thrixspermum plants

Small shoe-carrying Thrixspermum · Centipede Thrixspermum · Thrixspermum changlangensis · Cupped hairseed · East Asian Thrixspermum · Starry hairseed · Thrixspermum saruwatarii · Thrixspermum trichoglottis · Hairseeds

Text excerpted from the Wikipedia article Thrixspermum carinatifolium by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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