HYPP-A Unité de Malherbologie & Agronomie
Weed Science & Agronomy
INRA-Dijon

Bayer Code : buibu

Scientific name: Bunium bulbocastanum L.


Synonym(s) of Sc. name: Carum bulbocastanum Koch, Bulbocastanum linnaei Schur.

Classification: Umbelliferae, Dicotyledonous

Common name: great pignut

Synonym(s) of Common name:

Name per country: DE : Erdkastanie ; ES : bulbo castaño ; FR : châtaigne de terre ; IT : bulbocastano comune ; PT : ; EN : great pignut ; NL : aardkastanje ;

Biological type: Perennial with tubers


Seed snapshot Seed:

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Seedling snapshot Seedling:

- Cotyledons very narrow, elongated (>10 times longer than wide). Establishment from seedling via hypogeal germination.


Adult plant snapshot Adult plant:

- Height: 30-70 cm.

- Stem finely striate, angular along its length, slightly leafy.

- Lower leaves bi-tripinnatisect, linear, thin and outline nearly triangular. Sessile cauline leaves.

- White flower in umbel, 6-20 rays. Involucre composed of 6-10 very pointed bracts. Involucels are also formed by several bracts. Calyx terminated at top by 5 very short teeth.

- Fruits achenes nearly x2 longer than wide and not narrow at base tip (3mm). Black brown with shiny walls. Aromatic smell and slightly pungent taste. Persistent carpophore on inflorescence after fruit fall.

- Plant with nutritive tubers, similar taste to chestnut and which can be eaten. Species rare in crops.

- Biological type: perennial with tubers.


Ecological profile (click on flags): BeneLux   Rare     Germany  Rare     France  Rare    

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