Drosera gunniana (Pale Sundew)

https://www.biodiversitylibrary.org/item/278721#page/98/mode/1up

A 2018 de Salis paper in Muelleria 36:97-106 has not yet been assessed by all the herbaria for APC, which is possibly why the name Drosera gunniana doesn’t appear in the on-line Flora of Victoria (although the name does come up in AVH, see https://avh.ala.org.au/occurrences/search?q=taxa%3A%22Drosera+gunniana%22#tab_mapView), on-line Flora of NSW, or in the ACT Plant Census. The fact that it’s in APII only indicates that the name has been published, not that it has been accepted by the herbaria. The Australian National Herbarium people have now added it to the list of taxa to be reviewed by all the herbaria for APC, but this process could take another 6 months or more.

 

So, in the meantime, CNM accepts the taxonomic case i presented by de Salis for accepting the name D. gunniana. The main differences between ACT main Drosera species are shown in the table below. The characters in bold apprear to be most reliable

 

 

D. gunniana

D. hookeri

D. peltata

Habit

usually single-stemmed (but may appear different if grazed back); to 30+ cm tall; leaves present along the whole stem

Short, multi-stemmed, to 10 cm tall

Stems ... frequently leafless in upper half

General colour of plants

pale olive-green, often suffused with orange and can be almost entirely red

yellow-green to distinctly yellow (no red staining)

 

Basal rosette of leaves - colour

Presumably same as whole plant

presumably same as whole plant

Red 

Petal colour

pink or white

white

 

sepals

hirsute; lamina covered in dense hairs 0.8-1.2 mm long, scarcely longer on the margins

hirsute; lamina sparsely covered in hairs 0.3-0.6 mm long, longer on the margins

hirsute

Flower bud

roughly spherical;

dark olive-green (but also range to dark maroon)

longer than broad; yellowish-green

 

Distribution

SA, Vic, Tas and NSW

SA, Vic and Tas

Not stated, but includes NSW

 

Drosera gunniana is listed in the following regions:

Canberra & Southern Tablelands  |  Southern Highlands  |  Albury, Wodonga  |  South Coast  |  Riverina Murray  |  Hume

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