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Manchurian Alder
Alnus hirsuta
Detailed Listing For:
Botanical Name:
Alnus Hirsuta
Family:
BETULACEAE
Genus:
Alnus
Species:
hirsuta
Common Name:
Manchurian Alder
Lot#:
9101
Quantity:
0.37 lb
Avg Count Packet:
91
Average Seeds Per Pound:
500,000
Germination:
83%
Germination Test Type:
Cut
Purity:
99%
Height:
60 feet
Collection Locale:
Korea
Minimum Hardiness Zone:
4-5
1 pkt
$
4.95
1 lb
$
43.45
Characteristics
Quantity:
Price:
Growing Info
Scarification
Soak in water, let stand in water for 24 hours
Stratification
cold stratify for 90 days
Germination
sow seed 1/8" deep , tamp the soil, mulch the seed bed
Description
Flora of China states: Trees grow to 20 m tall; bark gray-brown, smooth. Branchlets dark gray, angular, densely gray pubescent when young, glabrescent. Buds stipitate, with 2 scales, sparsely pubescent. Petiole 1.5-5.5 cm, densely pubescent; leaf blade suborbicular, rarely broadly ovate, 4-9 × 2.5-9 cm, abaxially light green or glaucescent, densely or sparsely brown hispidulous, rarely subglabrous, sometimes bearded in axils of lateral veins, adaxially dark green, sparsely villous, base rounded or broadly cuneate, rarely cuneate or subcordate, margin undulate-serrate, apex rounded, rarely acute; lateral veins 5-10 on each side of midvein. Female inflorescences 2-8 in a raceme, subglobose or oblong, 1-2 cm; peduncle 2-3 mm; bracts 3-4 mm, woody, base cuneate, apex rounded, 5-lobed. Nutlet broadly ovate, ca. 3 mm, with papery wings ca. 1/4 as wide as nutlet. Fl. May-Jul, fr. Jul-Aug.