Digitaria hitchcockii, (Chase) Stuck., Annuaire Conserv. Jard. Bot.

Medico, Julia Mariela Lo, Tosto, Daniela Sandra, Rua, Gabriel Hugo, Agrasar, Zulma Esther Rúgolo de, Scataglini, Maria Amalia & Vega, Andrea Susana, 2017, Phylogeny of Digitaria Sections Trichachne and Trichophorae (Poaceae, Panicoideae, Paniceae): A Morphological and Molecular Analysis. New Circumscription and Synopsis, Systematic Botany (Basel, Switzerland) 42 (1), pp. 37-53 : 45

4. DIGITARIA HITCHCOCKII (Chase) Stuck., Annuaire Conserv. Jard. Bot. Genève 17: 287. 1914.

Valota hitchcockii Chase, Proc. Biol. Soc. Wash. 24: 110. 1911. Trichachne hitchcockii (Chase) Chase, J. Wash. Acad. Sci. 23 (10): 454. 1933.

— TYPE: U. S. A. Texas: San Antonio , dry prairie soil, 18– 24 Jun 1910, A. S. Hitchcock 5329 (holotype, US!; isotype, BAA –644!) . Figure 5 .

Iconography — Hitchcock (1950: 576 sub T. hitchcockii , culm, inflorescence, spikelet and upper floret); Henrard (1950: 326, spikelet and upper floret).

Geographical Distribution and Ecology — Caribbean (St. John Island), U. S. A. and Mexico. Inhabits rocky dry slopes and sandy lands from 350–1,600 m.

Figures

FIG. 5. Digitaria hitchcockii. A. Habit. B. Ligule, detail. C. Spikelet view showing lower glume and lower lemma. D. Spikelet view showing upper glume. E. Lower palea, dorsal view. F. Lodicules of the lower flower and lower palea in ventral view. G. Upper floret view showing the back of the lemma. H. Upper floret view showing the back of the palea. I. Upper palea, androecium, and caryopsis. J. Caryopsis, scutellar view. K. Caryopsis, hilar view. A–K from T. Tateoka 1036 (US).