Gastrodia sesamoides R.Br., Prodr. Fl. Nov. Holl.: 33 (1810).
Leaves absent, stem slender to moderately robust, sometimes to 1 m high, pale to dark brown, arising from an underground rhizome. Flowers few to numerous, brown and white, to 2 cm long, tubular. Flowers have a sweet spicy fragrance resembling cinnamon.
Saprophytic, favouring wet sclerophyll forests, dry sclerophyll forests, dry sclerophyll woodlands and riparian areas. Usually occurs in shady, well forested places in high rainfall areas (>800 mm per year), chiefly near decaying tree stumps, especially along creeks where large clumps of plants may appear in good seasons. Also recorded in pine plantations, coastal sand-hills and heath-land.
Biology and Ecology:
Flowers from October to early December. Flowering is promoted by summer fires. Self-pollinating. Also pollinated by native bees. Solitary or forming small groups in humus rich soil; often in deep leaf litter along creeks. Cover or abundance likely to be reduced by inappropriately timed fires or may die out through fire exclusion.
S. & E. Australia