EVERGREEN

Plant Encyclopedia

Maianthemum viridiflorum ("Yamatoyukizasa")

Japanese name: ヤマトユキザサ (大和雪笹)
Scientific name: Maianthemum viridiflorum

[Overview]
A perennial 35–70 cm tall, found in forests in the mountains.
It has creeping rhizomes 1–1.5 cm in diameter.
The upper part of the stem leans over, has no raised pair of lines (ridges), and bears many spreading hairs.
5–12 leaves are produced; they are alternate, simple, oblong, 10–15 cm long, with conspicuous longitudinal veins.
It is dioecious.
A panicle at the stem tip bears many small white to pale green flowers, and the inflorescence and flower stalks bear many soft hairs.
There are 6 tepals, which open flat.
There are 6 stamens, shorter than the tepals.
The stigma of the female flower is deeply 3-lobed, with short lobes.
The ovary is about 1.5–2 times as long as the style.
The fruit is a spherical berry that ripens red.

[Notes]
The Japanese name includes "Yamato" because it was first collected on Mt. Omine in Nara.

Details

Names
Japanese: ヤマトユキザサ(大和雪笹)、ミドリユキザサ(緑雪笹)、オオバユキザサ(大葉雪笹)
Life form
Perennial
Habit
Terrestrial
Flowering season
June, July
Distribution or origin
Japan (Honshu north of Nara)
Height
350–700 mm
Leaf shape
Simple leaf (unlobed)
Leaf arrangement
Alternate
Inflorescence
Panicle
Number of petals
6
Flower color
Green, White
Fruit color
Red
Leaf color
Green
Designated plants
Endemic to Japan

Translated from our Japanese encyclopedia. If anything differs, the Japanese page is correct.

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