Sida cordifolia (Image: E. Vaes, RBG Kew)
This species has Orthodox seeds - dry to 15-20% eRH and store at -20ºC, or as cool as possible.
The seeds of this species are Physically Dormant. Scarify the seeds by removing the covering structures and chipping the seed coat with a scalpel.
Germinate on agar, germination paper or sand, at temperatures between 20 and 30°C.
The fruit is a camarium with a mericarp and seed coat. The seed (1.8 x 1.2 x 2.3 mm) is brown and reniform in shape, with a smooth surface and without a sarcotesta. The raphe is very short and the hilum is small. The seed configuration is ana-campylotropous with an axial-folded, dominant embryo, white in colour.
See more images of this species at the Digital Atlas of Economic Plants.
Sida cordifolia section
(Image: E. Vaes, RBG Kew)
Accepted name: Sida cordifolia L.
Common name: Indian country mallow
References and Links
- Baskin, C.C. and Baskin J.M. (1998). Seeds: ecology, biogeography, and evolution of dormancy and germination. Academic Press, USA.
- Food and Agriculture Organization of the United Nations and International Plant Genetic Resources Institute (1994). Genebank Standards. FAO/IPGRI, Rome, Italy.
- AFPD (African Flowering Plants Database) - Conservatoire et Jardin Botaniques de la Ville de Genève, Switzerland, and South African National Biodiversity Institute, Pretoria, RSA: Sida cordifolia.
- PROTAbase (Plant Resources of Tropical Africa) - Wageningen, Netherlands: Sida cordifolia.
- SID (Seed Information Database) - Royal Botanic Gardens, Kew, UK: Sida cordifolia.
- Tropicos - Missouri Botanical Garden, USA: Sida cordifolia.