Plants of
South Australia
Dodonaea baueri
Sapindaceae
Crinkled Hop-bush
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Regional Species Conservation Assessments per IBRA subregion.
Least concern
Near threatened
Rare
Vulnerable
Endangered
Critically endangered
Extinct
Data deficient
Adelaide
Arkaroola
Ceduna
Coober Pedy
Hawker
Innamincka
Marla
Marree
Mount Gambier
Oodnadatta
Renmark
Wudinna
Keith
Yunta
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Botanical art

Kath Alcock paintings: 5

Prior names

Dodonaea deflexa

Etymology

Dodonaea named after Rembert Dodoens (1517-1585), a Flemish physician and botanist, also known under his Latinized name Rembertus Dodonaeus. Baueri named after Ferdinand Lucas Bauer (1760-1826), an Austrian botanical illustrator who travelled on Matthew Flinders' expedition to Australia.

Distribution and status

Endemic to South Australia and found in the southern part of South Australia from the Gammon Ranges to the Fleurieu Peninsula growing on rocky hillsides and exposed sites on mountain ridges and in red-brown sandy loams in mallee scrub. Native. Common in South Australia.
Herbarium regions: Flinders Ranges, Eastern, Eyre Peninsula, Northern Lofty, Murray, Yorke Peninsula, Southern Lofty, Kangaroo Island
NRM regions: Adelaide and Mount Lofty Ranges, Eyre Peninsula, Kangaroo Island, Northern and Yorke, South Australian Arid Lands, South Australian Murray-Darling Basin
AVH map: SA distribution map (external link)

Plant description

Dioecious spreading or sometimes prostrate shrub to 1 m high. Leaves simple, petiolate, obovate; rarely broad-oblong or orbicular, truncate or rounded and irregularly 3, rarely 6-toothed at the apex; to 1.8 cm long and 1 cm wide, viscous, with flat glands, glabrous to sparsely puberulent; margin slightly recurved, undulate, unevenly dentate. Flowers solitary or rarely 2 together,;axillary, with small yellow with red-tipped flowers. Flowering between December and March. Fruits are red-brown capsule, 3-5-angled to 10 mm long and 5 mm wide. Seeds are black ovoid seed to 2.5 mm long and 2 mm wide with orange aril. Seed embryo type is folded.

Seed collection and propagation

Collect seeds between December and April. Collect capsules that contain hard black seeds, usually when capsule is turning red or brown. Place capsules in a tray and leave to dry for 1 to 2 weeks. Then rub the capsules by hand to dislodge the seeds. Use a sieve to separate the unwanted material. Store the seeds with a desiccant such as dried silica beads or dry rice, in an air tight container in a cool and dry place. From one collection, the seed viability was low, at 45%. This species has physiological dormancy that needs to be overcome for the seed to germinate (e.g. nicking the seed coat).

Seeds stored:
  Hide
LocationNo. of seeds
(weight grams)		Number
of plants		Date
collected		Collection number
Collection location		Date
stored		% ViabilityStorage
temperature
BGA 
MSB		13,200 (29.4 g)
13,200 (29.4 g)		3722-Dec-2003PJA74
Southern Lofty		1-Sep-200445%+5°C, -18°C
Location: BGA — the seeds are stored at the Adelaide Botanic Gardens, MSB — the seeds are stored at the Millennium Seed Bank, Kew, England.
Number of plants: This is the number of plants from which the seeds were collected.
Collection location: The Herbarium of South Australia's region name.
% Viability: Percentage of filled healthy seeds determined by a cut test or x-ray.
Germination table:
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We acknowledge the contributions of the South Australian Seed Conservation Centre, the Botanic Gardens of South Australia, and the Department for Environment and Water.