Morus mongolica (Bur.) Schneid.

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Article from Bean's Trees and Shrubs Hardy in the British Isles

Genus

Synonyms

  • M. alba var. mongolica Bur.

Glossary

apex
(pl. apices) Tip. apical At the apex.
axil
Angle between the upper side of a leaf and the stem.
glabrous
Lacking hairs smooth. glabrescent Becoming hairless.
ovate
Egg-shaped; broadest towards the stem.
style
Generally an elongated structure arising from the ovary bearing the stigma at its tip.
variety
(var.) Taxonomic rank (varietas) grouping variants of a species with relatively minor differentiation in a few characters but occurring as recognisable populations. Often loosely used for rare minor variants more usefully ranked as forms.

References

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Credits

Article from Bean's Trees and Shrubs Hardy in the British Isles

A deciduous tree up to 25 ft high, or a shrub; young shoots glabrous or soon becoming so. Leaves ovate, with a long, slender, often tail-like apex, heart-shaped at the base, coarsely triangular-toothed, each tooth terminated by a bristle, 3 to 6 in. long, 2 to 314 in. wide, nearly glabrous except for axil-tufts beneath when young; stalk 1 to 158 in. long. Male catkins 1 to 112 in. long, with a bare stalk one-third as long; female ones much shorter. Fruits described by Wilson as ‘pale red, sweet, palatable’, also as ‘black’.

Native of China and Korea; discovered by the Abbé David in 1864; introduced by Wilson in 1907. Originally regarded as a variety of M. alba, it was made a species by Schneider in Plantae Wilsonianae, Vol. Ill, p. 296. It is very distinct by reason of the coarse, bristly toothed margins of the leaves. Henry describes it as common on the mountains around Peking and the fruit as ‘insipid’. The style is longer than in M. alba and in this character the species approaches M. australis.

There is an example in the University Botanic Garden, Cambridge, measuring 35 × 2 ft (1969).

var. diabolica Koidz

Leaves scabrid above, downy beneath and frequently deeply lobed; marginal teeth bristle-tipped.

var. vestita Rehd

Leaves densely hairy beneath and slightly so above, not lobed and up to only 2{3/4} in. long. Inflorescence hairy.

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