Table 3.
Morphological and anatomical characters that distinguish genera in each of the main clades of the resin-producing Detarieae
|
Colophospermum and Hardwickia | ||
|---|---|---|
| Character | Colophospermum mopane | Hardwickia binata |
| Sepal number | Four | Five |
| Stamen number | 20–25 | 10 |
| Disk | Present | Absent |
| Anther surface | Smooth | Verrucose |
| Fruit shape | Asymmetrical, reniform | Symmetrical |
| Radicle position | Lateral | Terminal |
| Wing on seed | Present | Absent |
| Resin vesicle on seed | Present | Absent |
| Aspect of the seed after soaking | Mucilaginous | Non-mucilaginous |
|
Prioria s.s. clade | ||||
|---|---|---|---|---|
| Character | Gossweilerodendron | Kingiodendron | Oxystigma | Prioria |
| Sepal number | Four | Five | Five | Five |
| Stigma shape | Attenuate | Crateriform | Attenuate | Attenuate |
| Hermaphroditic or unisexual flowers | Flowers all bisexual | At least some flowers unisexual | Flowers all bisexual | Flowers all bisexual |
| Cotyledons | Plano-convex | Ruminate | Ruminate or canaliculate | Flat |
|
Hymeanaea clade | |||
|---|---|---|---|
| Character | Guibourtia | Hymenaea | Peltogyne |
| Petal number | None | Five | Five |
| Sepal margins | Thin, imbricate | Thin, not imbricate | Thin, not imbricate |
| Ovule number | Two rarely one (G. arnoldiana) | Numerous | Numerous |
| Axial canals | Present, traumatic | Absent | Absent |
| Endocarp | Thin | Fleshy | Thin |
| Ovary stipe | Central | Adnate to the adaxial side of the hypanthium | Central |
| Crateriform glands | Present | Present | Absent |
|
Eperua s.s. clade | ||
|---|---|---|
| Character | Eperua | Eurypetalum |
| Stamen sheath | Long | Short |
| Flower size | Large | Small |
| Ovule number | Numerous, rarely two (E. grandiflora) | Two |
| Secondary venation | Intramarginal vein | Brochidodromous |
| Mucronate leaflets | Present | Absent |
| Twisted petiolules | Absent | Present |
|
Detarium clade | |||||||
|---|---|---|---|---|---|---|---|
| Character | Baikiaea | Copaifera | Detarium | Pseudosindora | Sindoropsis | Sindora | Tessmannia |
| Petal number | Five | None | None | None | One | Three or five | Five |
| Vestigial petals | None | NA | NA | NA | None | Two or four | None |
| Stamen fusion | Nine fused | All free | All free | All free | Nine fused | Nine fused | Nine fused |
| Staminodes | None | None | None | None | None | Eight | None |
| Anther shape | Rectangular | Rectangular | Square | Rectangular | Rectangular | Rectangular | Rectangular |
| Mucronate leaflets | Absent | Present | Absent | Absent | Absent | Absent | Absent |
| Ovary stipe | Central | Central | Absent | Adnate to the adaxial side of the hypanthium | Absent | Central | Central |
| Stipule fusion | Present | Absent | Absent | Absent | Absent | Absent | Absent |
| Marginal vein | Present | Present | Present | Present | Present | Present | Absent |