Mexico 2013 Flora de Puebla y Veracruz

Voucher:LCO 2654

Hydrangeaceae
Philadelphus pueblanus S.Y.Hu

Location:Veracruz, Mpio Calcahualco, Barranco de San Miguel, Tlacotiopa.
Coordinates: 19°06'28" N, 97°12'07" W Alt: 2642m

Arching shrub 1 m tall. Stems purple-brown. Flowers nodding, sweet scented. Corolla white. Anthers yellow. Calyx whitish inside.
Stream gorge with Pinus and Quercus forest. NE facing side of the gorge. Path side, cut area with Solanum, Fuchsia, Cestrum, Thalictrum.

Identification Notes: Verified with Hu, Shiu-Ying. 1954. 'A monograph of the genus Philadelphus'. J. Arnold Arb. 35: 275-333. Flowers in short terminal racemes. Flowers 4 merous, calyx lanate adaxially. Ovary strigose. P. mexicanus, karwinskyanus and pueblanus are all very similar species occuring in the same area and possibly conspecific.

Caamaño Onofre, L. #2654      4 June 2013

morphological details

inflorescence inflorescence flower bud flower bud ovary, sepals ovary, sepals

ovary ovary

sepal sepal

androecium, gynoecium androecium, gynoecium

styles styles stamens stamens nectary disc nectary disc
sepals, styles sepals, styles adaxial sepal surface adaxial sepal surface stem stem
adaxial leaf surface adaxial leaf surface abaxial leaf surface abaxial leaf surface abaxial leaf surface abaxial leaf surface

additional pictures

flowers flower

flowers

flowers
field picture
habitat
Herbarium voucher
Herbarium voucher

Other field pictures

flowering branch
flowers
flowers