Botanical art
Common names
Avenue Cassinia
Sticky Cassinia
Etymology
Cassinia named after Alexandre-Henri Gabriel de Cassini (1782-1832), a French botanist who published extensively on the Compositae family. Tegulata from the Latin 'tegula' meaning a tile, referring to the scale-like involucral bracts.
Distribution and status
Found in the South-east in South Australia growing in Melaleuca brevifolia and Gahnia filum shrubland in inter-dune flats with shallow grey or yellowish sandy clay soils over limestone, which are seasonally inundated. Also found in Victoria. Native. Very rare in South Australia. Very rare in Victoria.
Herbarium region: South Eastern
AVH map: SA distribution map (external link)
Plant description
A small to medium-sized shrub with an upright habit; grey-green to yellowish green, hairy, needle-like leaves; fissured brown bark and off-white to cream flowers at the end of branches. Flowers are honey-scented but leaves and stems are odourless and not sticky. Flowering between February and April. Fruits are light grey, dense round daisy-head. Seeds are brown cylindrical seed to 1 mm long and 0.3 mm wide, with long white pappus at one end. Seed embryo type is spatulate.
Seed collection and propagation
Collect seeds between April and June. Collect heads that are matured, greyish and contain brown seeds. Place the heads in a tray for one to two week to dry. Then rub the heads gently with your hands to dislodge the seeds. Use a sieve to separate any unwanted material. Viable seeds will be small and brown. 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 five collections, the seed viability was average to high, ranging from 75% to 100%. Seeds are non-dormant, viable seed should germinate readily.
| Location | No. of seeds (weight grams) | Number of plants | Date collected | Collection number Collection location | Date stored | % Viability | Storage temperature |
|---|---|---|---|---|---|---|---|
| BGA | 81,000 (7.36 g) | 50 | 10-Apr-2006 | DJD449 South Eastern | 14-Sep-2006 | 75% | -18°C |
| BGA MSB | 32,000 (6.5 g) 32,000 (6.5 g) | 60 | 26-May-2005 | DJD132 South Eastern | 14-Sep-2006 | 95% | +5°C, -18°C |
| BGA | 2,000 (0.14 g) | 40+ | 17-May-2009 | CRD16 South Eastern | 20-Jul-2009 | 100% | -18°C |
| BGA | 19,000 (1.58 g) | 15 | 28-May-2009 | TST736 South Eastern | 20-Jul-2009 | 100% | -18°C |
| BGA | 460,000 (91.76 g) | 26-May-2005 | DJD132 South Eastern | 15-Feb-2011 | +5°C, -18°C | ||
| BGA | 38,700 (12.14 g) | 29-Apr-2010 | TST736 South Eastern | 1-Jan-2012 | 75% | -18°C | |
| BGA | 5,000 (0.37 g) | 21 | 18-Jun-2015 | C.Dickson South Eastern | 1-Nov-2017 | -18°C |
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.