Английская Википедия:Amphiglossa corrudaefolia
Шаблон:Short description Шаблон:Speciesbox
Amphiglossa corrudaefolia is a species of plant from South Africa.
Description
Growth form
This erect, rhizomatous shrub grows up to Шаблон:Convert tall. Roots grow from trailing branches and many short shoots.[1] The branches are rigid and have a diameter of up to Шаблон:Convert. Secondary branches develop on the leaf axils on the main stem and have a diameter of up to Шаблон:Convert. Brachyblasts (shoots) grow in the leaf axils of the secondary banches. These typically grow up to Шаблон:Convert long and secondary brachyblasts are rare. They are white when young.[2]
Leaves
The triangular leaves grow closely against the branches and are woolly on the upper surface.[1] They are bright green and are slightly inrolled. The leaves growing on the secondary branches are about half the size of those growing on the main stems.[2]
Flowers
The white radiate flowers are present between January and April. They have four or five ray florets and a eual number of disc florets.[2][3] Only one flower head is found at the tip of a branch.[3] They grow on short shoots.[2] The outermost of the surrounding bracts are green around the midrib and translucent towards the tips.[2][3] The innermost bracts are the largest at about twice the length of the outermost bracts and have rough hairs along the margins. The upper half is transparent.[2]
The ray florets are white in colour and are female. The tips have between one and three lobes.[2]
The disc florets are white and bisexual. They are often tinged pink below the lobes. There are five lobes and these are often asymmetrical.
Fruit and seeds
The fruits a-re cypselas. They are about Шаблон:Convert, greyish and inconspicuously ribbed. They develop in three to five of the florets, most commonly in the ray florets. They have 18-25 pappus bristles.[2]
Distribution and habitat
This species in endemic to South Africa. It grows at Loeriesfontein in the Northern Cape and Prince Albert in the Western Cape.[4] It prefers growing in sandy riverbeds.[3]
Ecology
Older plants become well anchored in the soil. The rhizomes produce many shoots if they get covered by sand when the river that they are growing at floods.[2]
Conservation
Amphiglossa corrudeafolia is classified as vulnerable by the South African National Biodiversity Institute as it is potentially threatened by seasonal flash floods.
References
- ↑ 1,0 1,1 e-Flora of South Africa. v1.36. 2022. South African National Biodiversity Institute. http://ipt.sanbi.org.za/iptsanbi/resource?r=flora_descriptions&v=1.36
- ↑ 2,0 2,1 2,2 2,3 2,4 2,5 2,6 2,7 2,8 Шаблон:Cite journal
- ↑ 3,0 3,1 3,2 3,3 Шаблон:Cite book
- ↑ Koekemoer, M. & Victor, J.E. 2005. Amphiglossa corrudifolia DC. National Assessment: Red List of South African Plants version 2020.1. Accessed on 25 February 2023
