Lettuce

Summary plant characteristics

Lactuca species Plant height (cm) Type of inflorescence Florets per head
aculeata 100 Paniculiform 5-25
altaica 50-120 Spiciform; Corymbiform 7-17
azerbaijanica
dregeana 50-180 Paniculiform 12-17
georgica 75-150 Paniculiform; Racemiform 15
scarioloides 60-120 Corymbiform
serriola 15-250 Racemiform; Paniculiform 7-50
saligna 7-100 Paniculiform; Spiciform 4-16
acanthifolia 30-150 Spiciform; Paniculiform 5
alpestris 5-45
aurea 40-80 Paniculiform 8-18
longidentata 100 Pyramidal 5-8
orientalis 10-60 4-5
quercina ssp. quercina 200 Corymbiform 8-22
quercina ssp. wilhelmsiana 100 Thyrsoid 8-22
sibirica 30-100 Corymbiform 20
tatarica 150 Spiciform; Corymbiform 16-23
viminea ssp. chondrilliflora
viminea ssp. ramosissima
viminea ssp. viminea 35-150 Paniculiform 5
virosa ssp. cornigera
virosa ssp. livida Pyramidal 25
virosa ssp. virosa 200 Pyramidal 15
watsoniana 180 Corymbiform 8