Common Name: GENTIAN FAMILY Habit: Annual to perennial herb [to trees]. Stem: decumbent to erect, < 2 m, simple or branched. Leaf: simple, cauline, sometimes also basal, opposite or whorled, entire, sessile or basal +- petioled; stipules 0. Flower: bisexual, radial, parts in 4s or 5s except pistil 1; sepals fused, persistent; petals fused, +- persistent, sinus between lobes often unappendaged; stamens epipetalous, alternate corolla lobes; ovary superior, chamber 1, placentas parietal, often intruding, stigmas 1--2. Fruit: capsule, 2-valved. Seed: many. Genera In Family: +- 90 genera, 1800 species: worldwide; some cultivated (Eustoma, Exacum, Gentiana). Note:Gentianella tenella moved to Comastoma. Key to genera revised by Bruce G. Baldwin. eFlora Treatment Author: James S. Pringle, except as noted Scientific Editor: Thomas J. Rosatti.
Common Name: GENTIAN Habit: Annual to perennial herb, generally glabrous. Stem: generally simple below inflorescence. Leaf: cauline, opposite (also basal or not). Inflorescence: compact cyme or flowers 1. Flower: parts generally in 5s (generally in 4s in Gentiana prostrata, 4s or 5s in Gentiana fremontii); calyx tube generally > lobes; corolla tube narrow-bell-shaped, lobes spreading, < tube, base of sinus between lobes truncate or generally with a variously shaped, sometimes fringed appendage, nectary pits 0 (nectaries on ovary stalk); ovary stalked, style +- 0 or short, entire, persistent, stigmas 2. Etymology: (Gentius, king of Illyria, who used roots to treat malaria)
Gentiana prostrata Haenke
NATIVE Habit: Annual. Stem: decumbent to +- prostrate, 1--several, 0.5--8 cm. Leaf: basal, cauline +- alike, +- spreading, 2--6 mm, 1--4 mm wide, spoon-shaped-obovate to broad-oblanceolate, +- or not white-margined, mucronate; cauline +- even-spaced, generally 0.5--2 × internodes. Inflorescence: flower 1. Flower: calyx 3.5--10 mm, lobes triangular, mucronate; corolla 7--18 mm, medium to deep blue, lobes 2.5--5 mm, ovate, acute to acuminate, sinus appendages triangular, +- entire or +- jagged toward tip, acute. Seed: wingless. Chromosomes: 2n=36. Ecology: Wet mountain meadows; Elevation: 3500--3800 m. Bioregional Distribution: W&I (White Mtns); Distribution Outside California: to Alaska, Colorado, Eurasia. Flowering Time: Jul--Aug Jepson eFlora Author: James S. Pringle Index of California Plant Names (ICPN; linked via the Jepson Online Interchange) Listed on CNPS Rare Plant Inventory Previous taxon: Gentiana plurisetosa Next taxon: Gentiana sceptrum
Botanical illustration including Gentiana prostrata
Citation for this treatment: James S. Pringle 2012, Gentiana prostrata, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=26601, accessed on January 26, 2025.
Citation for the whole project: Jepson Flora Project (eds.) 2025, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on January 26, 2025.
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