Details for: WLP 3421, Eubotryoides grayana (Maxim.) H. Hara, HOKY23-05

18 September 2023.
Honshu, Japan
Locality: Gunma Prefecture: Numata-shi: Tambara Highlands: Tambara Marsh.
Coordinates: 36.7858, 139.0628 (Map it)
Elevation: 1194m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Plants along boardwalk that cut through the eastern edge of Tambara Marsh. Growing in full sun to light shade. Soil: Marsh/muck. Elevation: 3919 feet.
Number of plants sampled: 5
Associated species: Clethra barbinervis; Ilex crenata; Elliottia paniculata; Viburnum furcatum; Magnolia salicifolia; Betula pendula subsp. mandshurica [as B. platyphylla]; Sasa kurilensis [as S. kurilensis var. hirta].
Comment: Low-branching, multi-stemmed shrubs, knitted together with other shrubs (particularly Clethra barbinervis and Ilex crenata); healthier and larger than found in upland site (collection 001). Height to 1.5 m; Spread to 2 m. Young stems yellowish green turning reddish brown with age. Some leaves with hints of reddish purple. Capsules green within infructescence. Seed collected from ca 5 plants. Japanese name is sneeze plant (not sure why).
Collector(s):

• Aizawa, Mineaki, Utsunomiya University
• Dosmann, Michael S., The Arnold Arboretum
• Hata, Yoshinari, Utsunomiya University
• Schwartz Sax, Miles, Arnold Arboretum of Harvard University

12 January 2024.
Massachusetts, United States

Donor(s):

• Arnold Arboretum of Harvard University