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Info
Subfamily: Chloridoideae
Genus etymology: Chloris = Goddess of vegetation [Greek], generally used to refer to a pale green color
Species etymology: × pseudosagrana = "false sagrana" [Latin] refering to its resemblence to Chloris sagrana A. Rich
Photosynthetic type: C4 (warm season)
Nativity: naturalized - autochtonous
First recorded in Hawaiʻi: #N/A
Map
Inflorescence
Habit
Spikelets
Collar
Description
Plant perennial, stoloniferous. Culms 15–70 cm tall, nodes and internodes glabrous; sheaths glabrous; ligule a ciliated membrane~0.4 mm long. Leaves 2–3 mm wide by 3–16 cm long, collar with a few long hairs or none. Inflorescence digitate or subdigitate, often with one branch above or below the main whorl of branches, 3–8 branches (average 6),2.5–8 cm long (average 6); rachis pilose at basal 5–10 mm, scabrous along remainder of length. Spikelet 2.9–3.3 mm long excluding awns, green with red or pink coloration, bearing three florets; callus hairs up to 1 mm long; glume lanceolate, one veined, keeled, scabrous on keel, lower glume 1.3–1.6 mm long × 0.4 mm wide upper glume 2.3–2.6 mm long by 0.5–0.8 mm wide; lowest lemma bisexual, 2.9–3.3 mm long, minutely rugose, bilobed 0.3 mm deep at apex, awn 4–7 mm long, appressed hairy on margins, hairs up 0.6 mm long, usually scabrous near apex; second lemma sterile or bisexual, elliptic, 1.5–2.1 mm long, glabrous or with few hairs on margin at apex, bilobed 0.2–0.3 mm deep at apex, awn 4–6 mm long, palea ranges from a rudiment 0.1 mm long to a well developed at 1.7 mm long; third lemma sterile, rarely reduced to a rudiment, but typically 0.5–1.2 mm long, truncate, awn 0.8–3.5 mm long; anthers 3, 0.5 mm long. Caryopses not observed.
(Description source: Faccenda, K, Yorkston, M., Ross, M.C., Morden, C.W. (2024). Spontaneous hybridization among invasive Poaceae in Hawai‘i: Chloris × pseudosagrana nothosp. nov. and Cenchrus × peregrinus nothosp. nov. Phytotaxa 638 (2), 155-164. )