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Alnus cordata (Loisel.) Duby

Italian alder (en), Aulne de corse (fr), Aune cordiforme (fr), Aulne cordé (fr), Aulne à feuilles en cœur (fr), Aulne de Corse (fr)

Species

Angiosperms > Fagales > Betulaceae > Alnus

Characteristics

Deciduous tree to 15 m high. Vegetative buds enclosed by stipules of the first foliage leaf, resinous from secretions from glands on buds and stipules. Leaves: lamina ovate to suborbicular, 2–11 cm long, truncate or cordate at base, crenate, dentate or serrate margin, obtuse or acuminate apex, discolorous, glabrescent; petiole 2–3 cm long. Catkins emerging before leaves. Male catkins 3–7 at ends of twigs, 2–2.5 cm long [5–8 cm long, fide Richardson et al. (2016: 189–190)]. Female catkins 1–3 together, ovoid-cylindrical in flower, 1.5–3 cm long, 1–2 cm wide, ovoid-oblong in fruit. Nutlet narrowly winged.
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A tree.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination anemogamy
Spread anemochory hydrochory
Mature width (meter) 4.0 - 8.0
Mature height (meter) 25.0
Root system creeping-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer present
Photosynthetic pathway c3

Environment

Open areas in hill and montane forests, often colonizing open Pine woods and bare soils after fires or landslides; at elevations from 300-1,500 metres.
More
It is a temperate plant. It suits hardiness zone 6. Arboretum Tasmania.
Recorded from river banks.
Light 6-9
Soil humidity 2-8
Soil texture 1-4
Soil acidity 4-8
Soil nutriment -
Hardiness (USDA) 6-8

Usage

Cultivated as an ornamental tree (e.g. see Rodd 1996: 80; Spencer 2002: 167).
Uses environmental use material ornamental timber wood
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Alnus cordata habit picture by PhilBern (cc-by-sa)

Leaf

Alnus cordata leaf picture by Malinverno Mario (cc-by-sa)
Alnus cordata leaf picture by Denis Bastianelli (cc-by-sa)
Alnus cordata leaf picture by Caraffa Vittorio (cc-by-sa)

Flower

Alnus cordata flower picture by Denis Bastianelli (cc-by-sa)
Alnus cordata flower picture by del Castellazzo Opificio (cc-by-sa)
Alnus cordata flower picture by Guillermoglio ChBtx (cc-by-sa)

Fruit

Alnus cordata fruit picture by Mario Cman (cc-by-sa)
Alnus cordata fruit picture by Denis Bastianelli (cc-by-sa)
Alnus cordata fruit picture by Federici Alberto (cc-by-sa)

Distribution

Alnus cordata world distribution map, present in Albania, Australia, Spain, France, Italy, and United States of America

Conservation status

Alnus cordata threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:294902-1
WFO ID wfo-0000944528
COL ID C2P7
BDTFX ID 74947
INPN ID 81567
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Alnus cordata f. parvifolia Betula cordata Alnus cordata Alnus neapolitana Alnus obcordata Alnus rotundifolia Alnus cordifolia Alnus macrocarpa Alnus nervosa Alnus cordifolia var. rotundifolia Alnus cordata
WorldFloraDB 2024