Cotoneaster MEDIK.
Creators: name: Niaki, Nemat Allah Raei
name: Attar, Farideh
name: Zamani, Asghar
name: Maroofi, Hossein
name: Joharchi, Mohammad Reza
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Rosales
Rosaceae
Cotoneaster

description: IDENTIFICATION KEY BASED ON MORPHOLOGICAL CHARACTERS OF THE NEW RECORDS AND REPORTS OF COTONEASTER MEDIK. SPECIES PLUS THEIR CLOSEST RELATIVES
1. Leaves often more than 15 mm ................................................................................................................... 2
— Leaves often less than 15 mm ...................................................................................................................... 9
2. Lower leaf surface glabrous .......................................................................................................................... 3
– Lower leaf surface tomentose ....................................................................................................................... 4
3. Leaves base broadly cuneate, apex obtuse to rounded upper surface light green, fruit light red ....................... .......................................................................................................................... Cotoneaster multiflorus Bunge
– Leaves base narrowly cuneate, apex obtuse to rounded upper surface dark green, fruit purple-black ............... ................................................................................................................................ Cotoneaster meyeri Pojark.
4. Leaves long elliptic, long ovate or obovate (length of leaves more than 1.5 × width of leaves) ...................... 5
– Leaves broadly elliptic to suborbicular (length of leaves less than 1.5 × width of leaves) ............................... 6
5. Leaves elliptic-rhombic, apex obtuse, fruit black ...................................................... Cotoneaster suavis Pojark.
– Leaves obovate, apex rounded to truncate, fruit rich red ......................... Cotoneaster aitchisonii C.K.Schneid.
6. Fruit red, petioles often ≤ 5 mm .................................................................................................................. 7
– Fruit dark purple to black, petioles often ≥ 6 mm ........................................................................................ 8
7. Leaves obovate to elliptic, sepals erect, tomentose ....................................... Cotoneaster transcaucasicus Pojark.
– Leaves obovate to ovate, sepals flat, subglabrous ........................ Cotoneaster nummularius Fisch. & C.A.Mey.
8. Leaves elliptic-rhombic, base cuneate, lax inflorescence, fruit obovate to globose ... Cotoneaster insignis Pojark.
– Leaves elliptic-orbicular, base rounded to obtuse, compact inflorescence fruit globose .................................... ............................................................................................................. Cotoneaster ellipticus (Lindl.) Loudon
9. Leaves mostly long ovate or long elliptic .................................................................................................... 10
– Leaves mostly wide elliptic to orbicular ..................................................................................................... 11
10. Leaves base obtuse to rounded, apex acute to obtuse ............................................ Cotoneaster persicus Pojark.
– Leaves base cuneate to broadly cuneate, apex rounded .................................... Cotoneaster afghanicus G.Klotz
11. Leaves broadly elliptic, fruit black, pedicels up to 4 mm ..................................... Cotoneaster kotschyi G.Klotz
– Leaves orbicular, fruit light red, pedicels up to 2 mm (sometime without pedicles) ........................................ ........................................................................................................................... Cotoneaster minutus G.Klotz
description: Published as part of Niaki, Nemat Allah Raei, Attar, Farideh, Zamani, Asghar, Maroofi, Hossein & Joharchi, Mohammad Reza, 2022, Five new records and two new reports of Cotoneaster Medik. (Rosaceae) for the Flora of Iran, pp. 141-152 in Adansonia (3) (3) 44 (14) on page 142, DOI: 10.5252/adansonia2022v44a14, http://zenodo.org/record/6573109