| MORPHOLOGY | Calyx Pigmentation | Calyx tube pigmentation have a characteristic pigmentation pattern, which remains relatively constant through most of flowering | | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Stipule Pigmentation | Stipule pigmentation is usually fully expressed in a dense vigorous sward by early to mid-flowering | | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Leaf Flecking | Tendency to produce dark purple or black anthocyanin flecks on their upper leaf | 1 - Glabrous | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Leaf Flush | Existance of leaf flush pattern in cultivars | 1 - Glabrous | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Leaf Mark Crescent | A pale green triangle in the leaf center | | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Leaf Mark Arms | Leaf mark extending from the edge of or underneath the crescent to the margin | | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Leaf Mark Band | A pale green strip extending from margin to margin | | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Burr Distribution | Distribution of burr burial relative to the plants crown | 1 - DISTAL | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Burr Production | Visual assessment of the amount of burr production | 2 - FAIR | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Burr Size | Burr Size | 2 - INTERMEDIATE | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Crescent Color | Crescent Color | 1 - PALE GREEN | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Flush Color | Flush Color | 2 - PURPLISH BROWN | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Flush Patteern | Flush Patteern | 6 - MIDRIB FLUSH | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Hair Attachment Peduncle | The attachment angle of hair on the peduncle | 1 - ERECT | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Hair Attachment Upper Side | The attachment angle of hair on the upper side of the leaf | 1 - ERECT | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Leaf Hairiness Upper | The relative hairiness of the upper side of leaves | 5 - INTERMEDIATE | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Peduncles Hairiness | Relative hairiness of peduncles | 3 - WEAK | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Petioles Hairiness | Relative hairiness of petioles | 1 - GLABROUS | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Plant Course | General appearance of the plant, characterised at the plot level for fine or thick stems | 3 - INTERMEDIATE | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Plant Soarse | Relative density of plant architecture, branches, leaves, peduncles | 3 - INTERMEDIATE | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Purity | Assessment of line purity, indicating the homogeneity or heterogeneity of the population | 1 - PURE LINE | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Seed Colour | Colour of the seed coat | 4 - AMBER | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Stem Hair | Relative hairiness of the stem | 1 - GLABROUS | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Stem Pigmentation | Stem Pigmentation | 3 - WEAK | APG WA Regen Historical Clover Sub | | |
| MORPHOLOGY | Stem Pigmentation Color | Stem Pigmentation Color | 6 - PURPLISH BROWN | APG WA Regen Historical Clover Sub | | |