Cosmianthemum Obtusifolium

Cosmianthemum Obtusifolium

Cosmianthemum Obtusifolium was described by Bremekamp and belongs to Cosmianthemum, a genus in the Acanthaceae family native to southeastern China, Hainan, Vietnam, Thailand, Peninsular Malaysia, and Borneo. Its species name, "blunt-leaved," describes the rounded leaf tips characteristic of this species within the genus.

Note: as a freshly imported bare-root plant, this specimen typically arrives with just a few leaves — the photo shows a more mature, fuller specimen for reference.

Care tip: Treat as you would most Acanthaceae understory plants — bright filtered light, consistent moisture, and high humidity.

Give it bright, filtered light, a rich, well-draining substrate, and consistent moisture and humidity reflecting its Southeast Asian forest-floor habitat. Acanthaceae as a family is widely grown for both flowers and foliage, and Cosmianthemum species are prized primarily for their leaf form and texture.

A genuinely uncommon genus in cultivation outside its native range — Cosmianthemum species remain relatively under-documented in horticultural literature, making this a real find for collectors of Southeast Asian understory foliage.

Care & Specifications

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