VARIETAL NAME: 'Pyramidalis'


Taxonomical and basic information
Varietal name:
'Pyramidalis'
Identification/ Accession n.:
IT23_00486
Ingroup:
Morus alba s.l.
Species:
M. alba f. pyramidalis
Origin:
Italy
Obtained:
former Sericulture Station of Ascoli Piceno (IT), 1985
Morphological characteristics
Trunk:
Trunk circumference (cm):
Trunk colour:
Reddish brown

Shoots:
Colour of one-year old shoot:
Greenish brown
Lenticel density:
Sparse
Lenticel shape:
Elliptical

Buds:
Bud shape:
Ovate
Bud colour:
Dark brown
Bud size:
small


Leaves:
Phyllotaxis:
Leaf shape:
Simple
Average leaf size: length (cm):
9.9
Average leaf size: width (cm)
6.9
Leaf size ratio:
Medium (1.3-1.5)
Petiole size (cm):
2.9
Petiole range:
Medium (21-40mm)
Shape of leaf base:
Truncate
Shape of leaf apex:
Acute
Leaf blade tip:
Acuminate
Leaf blade margin:
Serrulate
Hairiness:
Glabrous
Glossiness:
Matte




Reproductive structures
Sexual dimorphisem:
Dioecious
Inflorescence type:
Female
Inflorescence size:
Female infl. length (mm):
5.9
Female infl. diameter (mm):
4.2
Female infl. stalk length (mm):
6.1
Male infl. length (mm):
Male infl. diameter (mm):
Male infl. stalk length (mm):
Polygamous infl. length (mm):
Polygamous infl. diameter (mm):
Polyg. infl. stalk length (mm):
Infructescence:
Fruit weight (g):
Infructescence length (mm):
19
Infructescence width (mm):
13
Length of peduncle:
Short
Infructescence colour:
Purple brown
Taste:
Infructescence shape:
Ovoid/globose




Phenological descriptors
Date of bud burst (week):
Flowering date (week):
Date of infructescence ripening (week):
Uniformity of infructescence ripening:
Abundant autumn colouring (week):
Growth and yield attributes
Vigour:
Lenght (cm):
20.5
Number of lateral shoots:
2.4
Lenght of internode (cm):
1.8
Leaf No./meter:
40.56
Weight of 100 fresh leaves (g):
