Drosera macrantha

Drosera macrantha

Drosera macrantha is a scrambling tuberous species widespread across the south west of Western Australia. The plants form a species complex, from which species in their own right have been separated (namely Drosera hirsuta, indumenta, planchonii and eremaea). The remaining plants that are currently classified as Drosera macrantha sensu stricto are still variable in form and more classifications may be warranted.

Drosera macrantha forms a thin scrambling stem that is glabrous in the lower sections and with glandular hairs in the upper sections. The orbicular leaves are usually arranged in groups of three, with one leaf that has a particularly long petiole. This leaf is used to grasp onto bushes and surfaces to elevate the plant, and grows hairs from the back of the lamina that attach to its surroundings. The flowers, which are white or pink, are enclosed by hairy sepals. The styles are finely divided and the pollen is bright yellow.

Drosera macrantha growing in the Perth Hills
Drosera macrantha using hairs on the non-glandular back of the leaves to latch onto a rock
Drosera macrantha flower. The pollen is bright yellow. The sepals and upper stems are hirsute.
Drosera macrantha growing on a granite outcrop in the South West region. In the absence of a perch, the stems were windswept into a ball.
Drosera macrantha in the South West region
Drosera macrantha in the South West. Note the three leaved arrangement at each node with one especially long leaf
A pink flowered form of D. macrantha in the Stirling Range
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