Astragalus gilviflorus

Lathyrus ochroleucus

Cream-Coloured Vetchling

Leaf Bottom

Moose Mountain Provincial Park
26-May-2006

Note that the key to the families in Budd's Flora requires that the calyx be regular. In fact, the calyx teeth are unequal in this species.

Ochroleucus: Answers to key questions in Budd's Flora (BF) and Flora of Alberta (FOA) leading to this species.

stipules large, often half as long as the leaflets; NOT [stipules small]

leaflets 3-4 pairs; NOT [leaflets 4-6 pairs], NOT [leaves with only 2 leaflets]

leaves glabrous; NOT [leaves finely pubescent beneath]

flowers creamy white or yellowish; NOT [flowers purplish]

Lathyrus: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus.

herbs; NOT shrubs

plants climbing

terminal leaflet replaced by a tendril; NOT [terminal leaflet normal]

wings of flower free from the keel; NOT [wings of flower coherent with the keel]

style flattened; NOT filiform

style bearded along the inside; NOT [style bearded at the tip]

Leguminosae: Answers to key questions in Budd's Flora leading to this family.

herbs; NOT [shrubs or trees]

plants terrestrial or semi-aquatic; NOT [plants aquatic, leaves submerged or floating]

plants NOT with colored milky juice

plants with more than one normal leaf

some or all leaves alternate; NOT [leaves opposite, whorled, or basal]

leaves with stipules

calyx regular

flowers with two floral rings, and with each petal distinct from the others

flowers irregular in shape

corolla pea-like; NOT [corolla with one petal spurred or sac-like]

stamens usually separate or partly so; NOT [stamens united into a column]

fruit a legume; NOT [fruit a 3-valved capsule]