Galium hirtum Lamarck, 1786

Echeverría, María L., Alonso, Sara I. & Comparatore, Viviana M., 2017, Survey of the vascular plants of Sierra Chica, the untouched area of the Paititi Natural Reserve (southeastern Tandilia mountain range, Buenos Aires province, Argentina), Check List 13 (6), pp. 1003-1036 : 1030-1031

Galium hirtum Lamarck

Figure 44 Galium hirtum Lamark (1786) : 583― Cabrera (1965b): 367; Flora

Argentina (2017); Tropicos (2017). Relbunium hirtum (Lam.) K. Schumann , ex Martius C. F. P. (1888):

107— Cabrera (1965b): 367.

Therophytes, native with distribution in the Southern Cone Region of South America.

Characteristics. Annual herb with tetragonal, pubescent stems. Leaves pubescent, ovate, with apex acute. Pseudoverticils formed by 2 leaves and 2 foliar stipules.

Flowers: solitarly upon peduncles that are smaller than the involucral bracts; 4 yellow, small petals. Fruit: a white berry.

Comments. This is a frequent species in the study area. It grows in shaded, moist soils and under the trees. It grows with other Galium species such as G. aparine , an annual herb with sticky hairs on leaves and fruits, and G. hipocarpium , a perennial herb with long peduncle flow- ers and red berries.