Cucurbitaceae Family Revision Sheet

1. 📌 Essentials

• Family with over 800 species in ~130 genera; includes vegetables, fruits, medicinal plants.
• Mainly tropical/subtropical; includes annual and perennial herbs.
• Fruits are fleshy pepos, variable in shape, size, and color.
• Unisexual flowers, pollinated mainly by insects.
• Key genera: ucumis, Cucurbita, Citrullus, Lagenaria, Momordica.
• Cultivation requires warm temperatures (20–35°C), well-drained fertile soils.
• Light influences flower sex: long days → male; short days → femalefruit.
• Fruits harvested immature for vegetables; mature for processing/storage.
• Major species: cucumber (Cucumis sativus), watermelon (Citrullus lanatus), pumpkin (Cucurbita spp.), winter melon (Benincasa spp.).
• Seeds contain oil, carotenoids, minerals; edible in some species.

2. 🧩 Key Structures & Components

• Leaves — large, variable, alternate, lobed or simple.
• Tendrils — coiling structures aiding climbing.
• Flowers — unisexual, yellow/white, act as pollination attractants.
• Fruits — pepo with rind, juicy flesh, seed cavity.
• Seeds — flat, smooth, 10–22mm, contain oils.
• Vines — vigorous, trailing or climbing, with tendrils.
• Roots — fibrous, sometimes with tubers (e.g., chayote).

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