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Raoulia petriensis



A small silvery alpine that was always going to struggle here. I wanted to test the conditions in the alpine house for this sort of thing. I bought it from Aberconwy Nursery in 2016 and it persisted for a few years though it was always rather straggly and never managed the hard cushion it is capable of.

The label said:

"Tiny carpeter forming a hard mat of silvery green leaves. Tiny, fluffy yellow flower heads in summer. For moist but well drained scree. Trough or alpine house in sun or part shade. 20 - 30cm spread. Unusual and effective."

The New Zealand Plant Conservation Network says:

"At Risk – Naturally Uncommon. A narrow range endemic common within its known geographic range.
Endemic. South Island: East of the main divide in Central Otago and northern Southland. Subalpine rocky places and fellfield.
Raoulia: Named after Étienne Fiacre Louis Raoul (23 July 1815–30 March 1852) who was a French naval surgeon and naturalist. He published a book Choix de plantes de la Nouvelle-Zélande (“Selected plants of New Zealand”) in 1846. The genus was named after him by Joseph Hooker.



12th July 2018



References:

  • New Zealand Plant Conservation Network, https://www.nzpcn.org.nz/flora/species/raoulia-petriensis/, accessed 13.09.2024