The Carnivorous Plant FAQ v. 11.5
- courtesy of -
The International Carnivorous Plant Society

Q: Any other Drosera species

Left over Drosera
D. adelae1
D. arcturi2
D. banksii3
D. binata var. binata4
D. binata var. dichotoma4
D. binata f. multifida4
D. burmannii5
D. glanduligera6
D. hamiltonii7
D. hartmeyerorum8
D. neocaledonica9
D. oblanceolata10
D. prolifera1
D. schizandra1
D. spatulata var. spatulata11
D. spatulata var. bakoensis12
D. spatulata var. gympiensis13
D. stenopetala14
D. subtilis15
D. tokaiensis16
D. ultramafica17
1Australia; section Prolifera.
2Australia, New Zealand; section Arcturia.
3Southeast Asia, Australia; Lasiocephala.
4Australia, New Zealand, Chatham Islands; section Phycopsis.
5Southeast and mainland Asia, Australia; section Thelocalyx.
6Australia; section Coelophylla.
7Australia; section Stelogyne.
8Australia; section Arachnopus.
9New Caledonia; section Drosera.
10China, Hong Kong; section Drosera.
11Asia, Australia, New Zealand; section Drosera.
12Borneo; section Drosera.
13Australia; section Drosera.
14New Zealand; section Arcturia.
15Australia; incorrectly placed in section Ergaleium.
16Japan; section Drosera.
17Indonesia (Sulawesi), Malaysia (Sabah); Philippines (Palawan), Sumatra; section Drosera.

D. adelae
D. adelae
D. prolifera
D. prolifera
D. schizandra
D. schizandra
D. arcturi
D. arcturi
A: The species that do not fit into my previous FAQ pages are all listed here. And what a mixed bag they are! Some comments on them follow.

The three species, D. adelae, D. prolifera, and D. schizandra are frequently called the "Queensland sundews". In the previous sentence, they are listed not only alphabetically, but also in order of easiest to hardest to cultivate. Drosera prolifera is particularly cool in producing plantlets on its flower stalks, much like a strawberry plant.

The two species Drosera stenopetala and D. arcturi are temperates, and enter dormancy during the winter. A particularly robust form of D. arcturi occurs in Tasmania.

The two Australasian weirdos Drosera banksii and Drosera subtilis are both probably very closely related to each other. They both look rather like tiny erect tuberous Drosera. Currently they are classified in sections of the genus Drosera that everyone agrees are probably wrong. Namely, Drosera banksii is classified in the petiolaris-complex, and annual Drosera subtilis is hanging out among the tuberous Drosera.

Drosera binata is the great fork-leafed sundew. (Drosera binata var. binata) is often called the T-form, and denotes plants with mostly one bifurcation and deep green foliage that becomes red-tinged with age. A form with similarly colored foliage but with approximately 8-16 leaf tips is called D. binata f. multifida. An undescribed plant, similar to D. binata f. multifida but with 16-40+ leaf tips is sometimes called "D. binata f. extrema", a name seriously in need of validation. The name Drosera binata var. dichotoma indicates plants with yellow-green foliage that regularly divides into four (or occasionally a few more) branches. Horticulturists have a selection of this called Drosera binata 'Giant'. A noteworthy Drosera binata cultivar is Drosera 'Marston Dragon'.

Drosera burmannii and D. glanduligera are known for their extremely fast tentacle action. The marginal tentacles of D. burmannii can move 180° in a matter of tens of seconds or even less, transporting or pushing bewildered insects into the middle of the leaf. Meanwhile, D. glanduligera marginal tentacles flex so rapidly as to nearly catapult prey into the middle of the trap!

Drosera hamiltonii is a very nice species with flat leaves that unroll like a carpet. This species is easy to maintain, but a little tricky to grow well. It flowers gorgeously, but only if provided with a chilly winter. It is easily propagated by root cuttings.

Drosera hartmeyerorum is closely related to D. indica, and may or not truly be a distinct species. It was catapulted to fame when it was discovered to be festooned with small, yellow globules of as-yet-unknown function. Other plants from the Drosera hartmeyerorum-D. indica group have strange, non-glandular emergences on the leaves, and it is not known if these are new species, or intermediate forms.

Drosera spatulata is a widely occurring species with many variant colors and sizes, many of which are quite lovely. It is likely that in time, yet more of these will be split into separate species. The plant noted on many growers' inventories as "var. lovellae" is a name that has never been established but should be, if only as a cultivar. The Japanese Drosera 'Kanto', the very dark red Drosera 'Ruby Slippers', and the large Drosera 'Tamlin' are all cultivars of Drosera spatulata.

Drosera tokaiensis is a species of hybrid origin, that is D. rotundifolia × D. spatulata. It is also referred to by the horticultural cultivar name, Drosera 'Kansai', or sometimes with a symbol indicating its hybrid parentage, i.e. Drosera ×tokaiensis. This is similar to another entity of hybrid origin, Drosera ×nagamotoi. In this latter case, the entity is entirely of horticultural origin, i.e.
Drosera ×nagamotoi=D. anglica × spatulata.

Drosera ultramafica is the only species that is endemic to Southeast Asia. It appears to be strongly associated with serpentinite soils. Distinct from D. spatulata by a number of characteristics, including a stem forming habit.

Page citations: Fleischmann, A. & Lee, C.C. 2009; Fleischmann, A. et al. 2011; Lowrie, A. 1999; Rice, B.A. 2006a; Salmon, B. 2001; Schlauer, J. 1996, 2002;

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Revised: July 2011
©Barry Rice, 2005