Pelargonium ovale ssp hyalinum       16365

Author: Loretta Hugo (1942-)
Family: Geraniaceae
Genus: Pelargonium
English name: Oval-leaved Pelargonium
Zone: South Africa

References
- PlantZafrica, Trevor Adams . Kirstenbosch National Botanical Garden 2007. Pelargonium ovale ssp hyalinum
Pelargonium ovale ssp hyalinum Observed in South Africa by andrewaturner (license)
References for the genus
- A taxonomic revision of the type section of Pelargonium L'Hérit.(Geraniaceae), Van der Walt, James JA. Bothalia 1985 Vol. 15(3) pag. 345-385. Address
- Cape plants: A conspectus of the Cape flora of South Africa - Strelitzia 09, Peter Goldblatt and John Manning. 2001. DOI
- Flora capensis: Being a systematic description of the plants of the Cape colony, Caffraria, & Port Natal (and neighbouring territories), Harvey William H., Sonder Otto Wilhelm & Thiselton-Dyer William T. 1909 Vol. 1. Address
- Miscellaneous notes on the genus Pelargonium, van der Walt, James JA and Vorster, Pieter Johannes. Bothalia 1981 Vol. 13(3/4) pag. 431-433. Address
- Mitochondrial and Chloroplast DNA-Based Phylogeny of Pelargonium (Geraniaceae), Freek T. Bakker and Alastair Culham and Clive E. Pankhurst and Mary Gibby. American Journal of Botany 2000 Vol. 87(5) pag. 727-734. JStor
- One name change and three new species of Pelargonium, section Hoarea (Geraniaceae) from the Western Cape Province, Marais, E. South African Journal of Botany 2014 Vol. 90 pag. 118-127. DOI
- Pelargonium pachypodium (sect. Otidia), a new species from northern cape, South Africa, Roux, J. Bothalia - African Biodiversity and Conservation 2013 Vol. 43 pag. 230-U241.
- Phytogeography of Pelargonium, J. van der Walt and P. Vorster. Bothalia 1983 Vol. 14(3/4) pag. 517-523. DOI
- Taxonomic studies in Pelargonium, section Hoarea (Geraniaceae), Marais, Elizabeth Maria. 1994. Address
- Taxonomy and phylogeny of two subgroups of Pelargonium section Otidia (Geraniaceae). 1. The Pelargonium carnosum complex, Becker, Matthias and Albers, F. Bothalia 2009 Vol. 39. DOI
General specifications
Biological type: plant
Frost resistance: 23ºF
Leaf color: dark green
Flower color: pink
Reproduction mode: hermaphrodite plant whoes flowers produce both male and female gametes
Indexed Susceptible to the bacteria Xylella fastidiosa The Regional Directorate for Food, Agriculture and Forestry.

Specifications for the Mediterranean basin
Adult size (h x w): 1,6ft x 1,6ft
Sun exposure: full sun (Sun hours: >6h
Foliage: evergreen
Growth: fast
Flowering time from April until May
Ripe fruits in May

Specific information for our garden
Planting substrate: 30%Compost+30%Coco+40%Sand
Plant watering: 1x a week pH 6.5
Logical sequence of containers for: Succulents; tray, 1L container, 2L forestry pot, 6L container, 55L container
Propagation is done by cuttings
Sowing instructions
AUTUMN Sow the seeds at 5mm depth in the Well Drained Seed Sowing Mix and pouwder with 2mm Siliceous Sand between 64-72°F. During germination keep the substrate moist and in daylight. The seeds germinate in 2-3 weeks.
The average seed weight is 312,5 per gram (0,0032g).

Germination references
- PlantZafrica, Trevor Adams . Kirstenbosch National Botanical Garden 2007. Pelargonium ovale ssp hyalinum


Germination references for the genus
- Some geophytic Pelargoniums, Michael Vassar. Herbertia 1996 Vol. 51 pag. 58-65. Address

Experiences in the garden
13-03-19A Obtaining seeds from seed provider International Geraniaceae Group collected in '....'. (Cultivated from unknown origin)
26-03-19 Sown seeds in a tray and germinated at 02-10-19, result: 1 units in Serre4.
Protocol: Spring Sand 5mm Sowing mix+Sand 59-68°F Damp substrate+Light 2-3w
. . . 2019A Production of 1 plants in our nursery: Serre4 1x F2 (Cultivated from unknown origin)
13-03-20B Obtaining seeds from seed provider SilverHill collected in 'SilverHill7>Greyton'. Stock (Wild origin)
04-09-20 Sown seeds in a tray and germinated at 22-09-20 but the seedlings did not survive in Serre4.
Protocol: Autumn 5mm Sowing mix+Sand 68-77°F Damp substrate+Light 3-5w
. . . 2021A Collection of seeds in the garden collected at 27-05-21. (Cultivated from unknown origin)
25-02-22 Sown 8 seeds in a tray and germinated at 08-03-22 but the seedlings did not survive in Serre4.
Protocol: Spring Sand 5mm Sowing mix+Sand 50-59°F Damp substrate+Light 2w
05-09-22 Send a batch to nursery IGG.
10-10-22 Sown 10 seeds in a tray and germinated at 30-03-23 but the seedlings did not survive in Serre4.
Protocol: Autumn Sand 5mm Sowing mix+Sand 64-72°F Damp substrate+Light 2w
31-08-23 Send a batch to nursery JBRotterd, they did not geminate.