Notices for Users of the Albums

1. New Albums and some changes

 

The latest Albums on genera of South African plants added to the Operation Wildflower Site are the ones on Cyrtanthus, Dicoma and Strumaria. This means that photos and stories of plants belonging to these genera already on the Site, together with some new ones, have been moved from the more general Albums called Bulbs and Herbs respectively into their own new Albums under Genera. 

 

There is a genus Album in every case where enough material has been accumulated to warrant a stand-alone grouping of photos and stories. There are now more than 220 such genera Albums. The biggest ones (most photos) belong to the genera Crassula, Euphorbia, Pelargonium, Aloe and Erica. Keep watching, more will be added. If there is no genus Album yet on the plant you are looking for, check under Types, the grouping that the Site was started off with, accessible via the pictured items shown on the right. The Search Box may yield more, for plants and related material are also shown in Albums on Habitat, Regions and Parks and Gardens.

 

In order to access items on a plant of interest, enter its botanical name in the Search Box. Entering other words or names will access what is contained in the Albums database. The latest Regions Album is the one on Nature's Valley and the latest Parks and Gardens Album is on Tietiesbaai also known as the Cape Columbine Nature Reserve.

 

2. Want to talk about a plant or an Album item?

 

There is a new way of communicating with the Editor of this Site regarding any of the Album Items.
Comments, questions, corrections, information and suggestions can be put to the Editor by using the following email address: This email address is being protected from spambots. You need JavaScript enabled to view it..

 

Please ensure that the Album Item concerned is clearly identified. Type its exact title as well as the Album Name in the Subject Line of your email. Please also state your name.

 

Similarly, communication regarding the functioning or technical aspects of the Site can be directed to the Webmaster at: This email address is being protected from spambots. You need JavaScript enabled to view it..

 

3. Reduced Mobile Site for Cell Phone Users

 

Operation Wildflower now also offers a reduced Mobile Site for cell phone use that only presents the Albums contents. This is aimed at overcoming display difficulties on some of the mobile devices in use for quick reference. The reduction found in the Mobile Site doesn't affect the full set of photos and stories of Operation Wildflower, only in diminishing the Site's secondary details that may make it hard to access the items on a small screen.

 

It is best to use the normal or full Operation Wildflower Site on computers, iPads and devices with bigger screens, as well as those that present unimpaired display of full details and access to all material on offer.

 

Should viewing difficulties be experienced on your device, click here to access the Mobile Site.

 

4. Subject Index

 

A Subject Index of a selection of topics touched on in Album Item text has been started, other than plant species. Access it via Information.

 

The Album Item Title should be clicked upon to open the Item dealing with the Topic.

 

Check in the Search Box for yet more subjects not added to the Subject Index list yet.

 

Citrullus lanatus

Botanical Name

Citrullus lanatus

Other names

Tsamma, wild watermelon; karkoer or tsamma (Afrikaans); makataan (Tswana); t'samma (Khoi)

 

Cucurbitaceae

Dimensions

A creeping annual herb with prostrate stems

Description of Stem

Multiple greenish grey, hairy stems of up to 3m in length; forked tendrils

Description of Leaves

Leaves occur on sturdy stalks, are conspicuously and ornately lobed around three prominent veins emanating from the leaf-base; hairy, rough to the touch on both surfaces

Description of flowers

Axillary flowers, light yellow, five-lobed corolla, greenish underneath; monoecious (male and female flowers on the same plant)

Description of seed/fruit

Variable, usually spherical fruit of 20cm in diameter ripen in winter; pale yellow-green (in the Kalahari form), sometimes light green with longitudinal dark green markings on the surface (in the cultivated, makataan form); the flesh or fruit pulp contains multiple seeds

Description of roots

 

Variation

Variable over the wide areas of its appearance, increased by cultivation and selection

Propagation and Cultivation

Grown from seed in vegetable production

Tolerances

Hardy

Uses

Edible fruit, sought after in dry areas for potable liquid by humans and animals; cultivars improved for human use have been developed in cultivation; seeds are dried, roasted, winnowed and ground to store as a sought after and nutritious meal; jam is made from some forms of the cultivated varieties; in Africa the seed is used to make a skin cream

Ecological rarity

Common

Pests and Diseases

Humans may be able to survive for several weeks on tsamma alone in a desert environment

Other

 

Location

Sandy soil in grassland or bushveld; often in areas where the natural vegetation had been disturbed or cultivated

Distribution

Northern Cape, Northwest, Limpopo

Country

South Africa, Namibia, Botswana, Zimbabwe, Zambia and northward in Africa

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