Pearsonia cajanifolia

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Pearsonia cajanifolia
Pearsonia cajanifolia01.jpg
Pearsonia cajanifolia
Pearsonia cajanifolia03.jpg
Plate from William Henry Harvey's "Thesaurus capensis" (1859)
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Pearsonia
Species:P. cajanifolia
Binomial name
Pearsonia cajanifolia
(Harv.) Polhill
Synonyms
  • Pearsonia cajanifolia subsp. cajanifolia
  • Phaenohoffmannia cajanifolia (Harv.) Kuntze
  • Pleiospora cajanifolia Harv.
  • Pleiospora gracilior Dümmer

Pearsonia cajanifolia (Harv.) Polhill is a South African shrublet belonging to the family of Fabaceae, and one of 13 species in the genus, usually herbs or shrublets with woody rootstocks and all occurring in Africa south of the equator with the exception of 1 species found on Madagascar. [1] P. cajanifolia is commonly found in submontane grassland, at altitudes 1350–2100 m, in the South African provinces of Free State, Gauteng, Limpopo, Mpumalanga, and North West, also in Zimbabwe and Malawi. [2] [3] [4]

Fabaceae family of plants

The Fabaceae or Leguminosae, commonly known as the legume, pea, or bean family, are a large and economically important family of flowering plants. It includes trees, shrubs, and perennial or annual herbaceous plants, which are easily recognized by their fruit (legume) and their compound, stipulate leaves. Many legumes have characteristic flowers and fruits. The family is widely distributed, and is the third-largest land plant family in terms of number of species, behind only the Orchidaceae and Asteraceae, with about 751 genera and about 19,000 known species. The five largest of the genera are Astragalus, Acacia, Indigofera, Crotalaria, and Mimosa, which constitute about a quarter of all legume species. The ca. 19,000 known legume species amount to about 7% of flowering plant species. Fabaceae is the most common family found in tropical rainforests and in dry forests in the Americas and Africa.

Madagascar island nation off the coast of Southeast Africa, in the Indian Ocean

Madagascar, officially the Republic of Madagascar, and previously known as the Malagasy Republic, is an island country in the Indian Ocean, approximately 400 kilometres off the coast of East Africa. The nation comprises the island of Madagascar and numerous smaller peripheral islands. Following the prehistoric breakup of the supercontinent Gondwana, Madagascar split from the Indian subcontinent around 88 million years ago, allowing native plants and animals to evolve in relative isolation. Consequently, Madagascar is a biodiversity hotspot; over 90% of its wildlife is found nowhere else on Earth. The island's diverse ecosystems and unique wildlife are threatened by the encroachment of the rapidly growing human population and other environmental threats.

Free State (province) Province of South Africa

The Free State is a province of South Africa. Its capital is Bloemfontein, which is also South Africa's judicial capital. Its historical origins lie in the Boer republic called Orange Free State and later Orange Free State Province.

Contents

Description

Stems erect, well branched, (0.2)0.4–0.7(1.5) m tall, several from a deep taproot, pubescent to tomentose. Leaves mostly 3-foliolate, but upper ones 1-foliolate and intergrading to bracts; leaflets 3–6.5(9) × 0.8–2.5(3) cm, oblanceolate to elliptic or obovate, apiculate, thinly pubescent to silvery sericeous-tomentose; lower lateral nerves steeply ascending, reticulation rather prominent; petiole 0.5–2.8 cm long; stipules 0.4–1(1.4) cm long, linear-subulate. Flowers yellow, (3)8–30(40) in heads or short dense racemes often aggregated into panicles by suppression of upper leaves; bracts subtending flowers 4–8 mm long, linear or linear-lanceolate; bracteoles on the very short pedicels a little smaller. Calyx 6–10 mm long, tomentose; upper lip c. 1–1.5 times as long as the tube, with the lateral sinuses as high as or higher than the upper sinus; upper lobes 2–4 mm long, narrowly to broadly triangular-acuminate. Standard 8–13 × 3–7 mm, usually elliptic-oblong, pubescent outside. Stamens all joined. Ovary 6–12-ovulate. Pod little exserted from the calyx, 6–8 × 3–4 mm, oblong-ellipsoid, pubescent, usually only 2-seeded. Seeds c. 1 mm long, oblique-cordiform.
Flora Zambesiaca volume:3 part:7

[5]

Pearsonia cajanifolia00.jpg

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