samuelbrinker 的鑑定

Finder: Jon P. Ruddy

Date: 28 December 2022

Host tree: Not noted

Habitat: Mature deciduous forest; lowland, humid setting; sloped topography (ie ridge line) nearby. Within Frontenac Provincial Park.

In flower. Shrub with broken-off tip, about 4.5 feet in height.

Tagged with string & coconut husk button (last photo)

Found alongside trail adjacent to a forest, with Sugar Maple (Acer saccharum), Hophornbeam (Ostrya virginiana), Common Buckthorn (Rhamnus cathartica) and Chokecherry (Prunus virginiana).

Number of flowers per inflorescence: 8,6,7,6
Inflorescence length (mm) measured from the base of the lowest pedicel to the base of the highest flower: 48, 45, 49 (3rd photo), 48, 58 (4th photo).
Length of lowest pedicel (mm): 24, 30, 30, 27, 32 (3rd photo)
Number of pedicels with subtending leaves within inflorescence: 1,2 (first photo),2,1,1
Sepals spreading, recurved, reflexed, ascending: generally spreading or slightly recurving
Length of petal (mm): 21, 21, 19, 19, 20 (5th photo)
Length of style: estimated at 2-3 mm
Ovary summit hairiness: all flowers observed were densely hairy at the summit of the ovary (6th photo)

Leaf color: green with slight tinge of brown
Leaf abaxial surface hairiness at flowering stage: densely hairy (11th, 12th photos)
Note, other leaf characters will be noted later in the season when leaves have matured.

Subsequent observation made on July 4th, 2021: https://www.inaturalist.org/observations/86241555

Earlier flowering observation of the same individual posted here: https://www.inaturalist.org/observations/78991272

No fruit.

Number of teeth on one side between midpoint & tip for photos 4-8: 10, 9, 9, 11, 11

Number of teeth on one side of leaf within 1 cm from tip, measured along leaf margin for photos 4-8: 5, 3, 3, 2, 4

Petiole length (mm) based on photos 4,6,7,8: 11, 9, 5, 13