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Caladenia luteola (Caladenia luteola)

Description

Caladenia luteola is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, 80–120 mm (3–5 in) long and 3–5 mm (0.1–0.2 in) wide. Up to three lemon yellow flowers, 60–100 mm (2–4 in) long and 60–90 mm (2–4 in) wide are borne on a stalk 150–250 mm (6–10 in) tall. The sepals and petals have long, brown, thread-like tips. The dorsal sepal is erect, 45–70 mm (2–3 in) long and 2–3 mm (0.08–0.1 in) wide and the lateral sepals are 45–75 mm (2–3 in) long, 2–4 mm (0.08–0.2 in) wide, spreading stiffly near their base but then drooping. The petals are 45–65 mm (2–3 in) long and 2–4 mm (0.08–0.2 in) wide, spread slightly upwards near their bases, then drooping. The labellum is 10–20 mm (0.4–0.8 in) long and 8–11 mm (0.3–0.4 in) wide, cream-coloured to yellow with red or brownish stripes and the tip is curled under. The sides of the labellum have irregular serrations and two rows of broad, anvil-shaped, shiny cream-coloured calli in the centre. Flowering occurs from September to mid-October.

Taxonomic tree

  • Domain: Eukarya

    • Kingdom: Plantae

      • Phylum:

        • Class: Liliopsida

          • Order: Asparagales

            • Family: Orchidaceae

              • Genus: Caladenia