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Keys
Vascular plant groups
Club mosses
Ferns
Vegetative key to families
Gymnosperms
Flowering plants
Genera
Families
Asperula L. >
Calyx
absent
Asperula
consider the other alternative
“Leaves” 6 or more in each
whorl
consider the other alternative
“Leaves”
obtuse
or
acute
but without a
hyaline
tip
consider the other alternative
Corolla
blue, c. 4 mm long. “Leaves”
linear
,
obtuse
,
ciliate
, up to 3 cm long. Flowers in terminal
corymbose
panicles. Fruit smooth,
glabrous
.
Annual
herb
up to 30 cm high. Recorded from Penshurst but now probably
extinct
there. Introd. from Europe. Blue Woodruff
Asperula arvensis