''Zygotritonia'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

herbaceous Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials. Definitions of "herb" and "herbaceous" The fourth edition of ...

perennial In horticulture, the term perennial ('' per-'' + '' -ennial'', "through the year") is used to differentiate a plant from shorter-lived annuals and biennials. It has thus been defined as a plant that lives more than 2 years. The term is also ...

and

bulbous plants Bulb or Bulbs may refer to: Common uses * Bulb, a food-storage structure within some plants ** Ornamental bulbous plant, Ornamental bulb, a kind of perennial plant * Light bulb, an electric lamp Maritime * Bulb keel, a type of keel * Bulbous b ...

in the family

Iridaceae Iridaceae () is a family of plants in order Asparagales, taking its name from the Iris (plant), irises. It has a nearly global distribution, with 69 accepted genera with a total of about 2500 species. It includes a number of economically importan ...

. It contains four species distributed throughout

sub-Saharan Africa Sub-Saharan Africa is the area and regions of the continent of Africa that lie south of the Sahara. These include Central Africa, East Africa, Southern Africa, and West Africa. Geopolitically, in addition to the list of sovereign states and ...

. The genus name is derived from the word zygomorphic (meaning bilabiate), and the apparent resemblance to some species in the genus '' Tritonia''.

Species

The list of ''Zygotritonia'' species, with their complete name and authority, and their geographic distribution is given below. Royal Botanical Gardens, Kew
World Checklist of Monocotyledons: ''Zygotritonia''
Accessed May 16, 2009. *'' Zygotritonia atropurpurea'' Goldblatt (2019). Northern Zambia. *'' Zygotritonia bongensis'' ( Pax) Mildbr., Bot. Jahrb. Syst. 58: 230 (1923). West Tropical Africa to

Socotra Socotra, locally known as Saqatri, is a Yemeni island in the Indian Ocean. Situated between the Guardafui Channel and the Arabian Sea, it lies near major shipping routes. Socotra is the largest of the six islands in the Socotra archipelago as ...

. *'' Zygotritonia hysterantha'' Goldblatt, Bull. Mus. Natl. Hist. Nat., B, Adansonia, IV, 11: 208 (1989).

Central African Republic The Central African Republic (CAR) is a landlocked country in Central Africa. It is bordered by Chad to Central African Republic–Chad border, the north, Sudan to Central African Republic–Sudan border, the northeast, South Sudan to Central ...

. *'' Zygotritonia nyassana'' Mildbr., Bot. Jahrb. Syst. 58: 231 (1923). Western

Tanzania Tanzania, officially the United Republic of Tanzania, is a country in East Africa within the African Great Lakes region. It is bordered by Uganda to the northwest; Kenya to the northeast; the Indian Ocean to the east; Mozambique and Malawi to t ...

Zambia Zambia, officially the Republic of Zambia, is a landlocked country at the crossroads of Central Africa, Central, Southern Africa, Southern and East Africa. It is typically referred to being in South-Central Africa or Southern Africa. It is bor ...

. *'' Zygotritonia praecox'' Stapf, Hooker's Icon. Pl. 32: t. 3120 (1933). Western Tropical Africa, Western

Ethiopia Ethiopia, officially the Federal Democratic Republic of Ethiopia, is a landlocked country located in the Horn of Africa region of East Africa. It shares borders with Eritrea to the north, Djibouti to the northeast, Somalia to the east, Ken ...

References

Bibliography

* Iridaceae genera Iridaceae Taxa named by Johannes Mildbraed Flora of the Afrotropical realm {{iridaceae-stub