Seeds of South Australia
Senecio euclaensis (Compositae)
Eucla Grounsel
List of species for Senecio
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Herbarium region:
Nullarbor
NRM region:
Alinytjara Wilurara
AVH map:
Australian distribution map (external link)
SA Census:
Census of South Australian plants (external link)     [genus Senecio]
Name derivation:
Senecio from the Latin 'senex' meaning an old man; referring to the white pappus attached to the seed. Euclaensis alluding to the distribution of this species, around Eucla in Western Australia.
Distribution:
Found on the cliffs near Border Village in South Australia. Also found in Western Australia.
Status:
Native. Rare in South Australia. Rare in Western Australia.
Plant description:
Perrenial shrub to 1.5 m high, glabrous, or sometimes sparsely and transiently cobwebby. Leaves fleshy. Mid-stem/mid-branch leaves narrow-elliptic or oblanceolate, to 10 cm long, with length:width ratio c. 2.5–4, deeply lobate to subpinnatisect; major divisions 2–5 per side, strongly antrorse, triangular, oblong, narrow-oblong or obovate; base attenuate, petiole-like; margin ± entire or few-denticulate or dentate, revolute; surfaces ± glabrous; reticulate venation inconspicuous. Flower-heads of 60 dense clusters, with small rayless daisy flowers.
Fruit type:
Pale brown vase-shaped daisy-head.
Seed type:
Orange-brown oblong seed to 3 mm long and 1 mm wide, covered in white hairs and with numerous deep striations, pappus not persisting.
Embryo type:
Spatulate fully developed.
Seed collecting:
Collect heads that are fat, hard and turning brown by picking off the whole heads.
Seed cleaning:
Place the heads in a tray for a week to dry. Then rub the heads gently with your hands or a rubber bung to dislodge the seeds. Viable seeds will be fat and hard. 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.
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA 
MSB
1600 (1.27 g)
1600 (1.27 g)
304-Nov-2009DJD1528
Nullarbor
Jun-2010100%-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.