tuberous-drosera.net --- home for tuberous drosera
Drosera peltataD. peltata is an erect and very variable species with some forms reaching up to almost 50 cm in height. The colour of stem and leaves may range from green to greenish-bronze (Lowrie) or from olive-green to dark maroon (Gibson et al). Some variants form a basal rosette from which the stem later will emerge. Others do not form basal rosettes as adult plants. The tubers are pink to red.
The sepals are glandular (like D. hookeri and D. gracilis but in contrast to D. auriculata and D. lunata) and the seeds are mostly ovioid and less than 1 mm in size (once again in contrast to D. auriculata). According to Lowrie, D. gracilis may be distinguished from D. peltata by its often smaller stature, reddish coloured finer overall form and distinctive, bird beak-shaped appandage on the apical pole of the seed. Please keep in mind that Gibson et al do not consider D. gracilis a species separate from D. peltata.
D. peltata may be differentiated from its close relative D. hookeri by the colour of the plant (yellow-green in case of D. hookeri).
D. lunata and D. peltata are the only tuberous drosera species found outside Australia and New Zealand.
Drosera peltata as well as all other species in the complex can be easily grown from seeds as the seeds germinate easily and do not require any pre-treatment. Some variants also form additional daughter tubers readily whereas others quite rarely do so.
More details on this species can be found Allen Lowrie's Magnum Opus as well as in the recent review of the D. peltata complex species by Gibson, Conn and Bruhl: Austral. Syst. Bot. 25 (1): 75. 2012
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