Pastinaca L.

Ghazanfar, S. A. & Edmondson, J. R (Eds). (2014) Flora of Iraq, Volume 5 Part 2: Lythraceae to Campanulaceae.

Morphology General Habit

Perennial herbs with pinnate or 2- or 3-pinnately decomposite leaves, segments often (as in Iraqi species) broad and toothed

Morphology Reproductive morphology Inflorescences

Umbels compound, polygamous, central umbel hermaphrodite, outer umbels usually hermaphrodite and (inner flowers) male

Morphology Reproductive morphology Inflorescences Bracts

Bracts of the involucre few or more, bracteoles several or absent

Morphology Reproductive morphology Flowers

Flowers yellow

Morphology Reproductive morphology Flowers Corolla

Petals ovate, slightly emarginate or entire above with an inflexed (often obtuse) acumen

Morphology Reproductive morphology Flowers Calyx

Calyx obsolete

Morphology Reproductive morphology Fruits

Fruit ± round, more rarely elliptical or obovate, strongly dorsally plano-compressed Mericarps with intermediate ribs filiform, slender, laterals thick, closely contiguous, forming a tumid margin to the fruit

Morphology Reproductive morphology Fruits Vittae

Vittae solitary in the valleculae, 2 on the commissure

Disc

Disk crenulate margined

Morphology Reproductive morphology Flowers Gynoecium Stylopodium

Stylopodia conical, small or somewhat tumid

Morphology Reproductive morphology Flowers Carpophore

Carpophore bipartite

Morphology Reproductive morphology Seeds Endosperm

Endosperm with the commissural face flat.

Distribution

Ten species distributed between from the E Mediterranean to Iran and C Asia; only one polymorphic species in Iraq.