
Eastern Spider Orchid
Caladenia orientalis
Family Orchidaceae
About
Caladenia orientalis, commonly known as the eastern spider orchid, is a species of orchid endemic to Victoria. It is a ground orchid with a single hairy leaf and one or two creamy-white to yellowish-green flowers and which only grows near the Mornington Peninsula.
How to spot it
Caladenia orientalis is a terrestrial, perennial, deciduous, herb with a small, spherical, underground tuber and a single leaf, 100–150 mm (4–6 in) long and 10–15 mm (0.4–0.6 in) wide. One or two creamy-white to yellowish-green flowers 70–100 mm (3–4 in) are borne on a stalk 100–200 mm (4–8 in) tall. The sepals and petals taper to thin brown to black tips. The dorsal sepal is erect, 90–120 mm (4–5 in) long, about 3 mm (0.1 in) wide and the lateral sepals are 90–120 mm (4–5 in) long, 4–6 mm (0.16
Documented on these trails
Found in
- Mornington Peninsula National Park / Arthurs Seat State Park — Melbourne, the Dandenongs & Central Victoria hikes
Source: Atlas of Living Australia + Wikipedia: Caladenia orientalis
Photo via iNaturalist Australia (CC-BY-NC 4.0 (Int)), collected by m_orchidhunter