Bidens bipinnata

• Botanical Name : Bidens bipinnata L.
• Common Name : Spanish Needles
• Plant Family : Asteraceae (Compositae)
• Plant Form : Herb
• Occurrence (Special Areas) : Gujarat Forestry Research Foundation, Ayurvedic Udyan

About Bidens bipinnata Plant :

• Habit : Annual, Erect herbs.
• Leaves : 1-2 pinnately compound, segments ovae-lanceolate or linear, entire, lobed or toothed.
• Inflorescence: Yellow or yellowish-brown heads, solitary, terminal, pedunculate.
• Flowers :
  • Minute, crowded in dense axillary fascicles, subsessile or pedicelled.
  • Sepals 5, linear-lanceolate, very acute, with ciliate, often colored margins.
  • Petals 5, very thin, elliptic-oblong, acute.
  • Ovary subglobose, sulcate, styles 5 short.
• Fruit : Achenes
• Flowering and Fruiting Time : September