1. Leaves entire, unlobed, definitely pinnately veined; stems with axillary thorns; fruit spherical, green (to yellow when fully ripe), orange-like in external appearance but scarcely fleshy, nearly or fully 1 dm in diameter.
1. Leaves toothed, sometimes lobed, ± palmately veined, 3 (–5) strong lateral veins arising with the midrib from summit of the petiole; stems unarmed; fruit various, cylindric, nearly spherical, or urn-like, but not orange-like in size and shape and less than 5 cm long.
2. Plant herbaceous, annual, tap-rooted; fruits nearly spherical, composed of achenes surrounded by persistent, enlarged but dry calyx lobes.
2. Plant woody (a die-back shrub in the case of Ficus); fruits fleshy, cylindric or urn-shaped.
3. Terminal buds enclosed by 2 stipules, the stipule scar encircling the stem; fruits a fleshy, urn-like receptacle with flowers and nutlets borne on the inner surface (syconium or fig).
3. Terminal buds with several bud scales, stipule scars not encircling the stem; fruits cylindrical, formed of achenes surrounded by the fleshy fused calyx.
All species found in Moraceae
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. November 14, 2019. https://www.michiganflora.net/family.aspx?id=Moraceae.