Australian round lime
Photos by David Karp and Toni Siebert, CVC. Photo rights.
Source: Received as budwood from Dr. Joe Furr, USDCS, Indio, CA (from Yuma, Arizona), 1968.
View original Plant Inventory data (PDF format)
Parentage/origins: Parents unknown.
Rootstocks of accession: Cleopatra mandarin
Season of ripeness at Riverside: July to October
Season of flowering at Riverside: February
Notes and observations:
*Probably received at CRC as plants. Seeds collected from Mount Waring Road, Murwillumbah, N.S.W., Australia, by W.V. Mungomery, Dept. of Primary Industry, Maryborough: Seeds sent to Joe Furr in 1965. "Round lime" 7/87- This accession in NOT to be repropagated and will go out when field 12D Microcitrus is removed--EMN.
Description from The Citrus Industry Vol. 1 (1967):
Leading terminal twigs straight, very angular, with internodes 1-1.5 cm long, with single slender acute thorns 5-10 mm long; lateral twigs short, slightly angled, with internodes 5-10 mm long, and spines 2-6 mm long; leaves entire, glabrous, or sparingly ciliate on the margin near the base; leaves articulated with the petioles; larger leaves on leading twigs 3-4 X 2-3 cm, obovate to obcordate (sometimes lozenge-shaped on less vigorous leading twigs); leaves of lateral twigs diamond-shaped, 2-3 X 1.2-1.8 cm; veins visible on both surfaces, but more conspicuous below, 12-15 pair arising at an angle of 25°-30° with the midrib and frequently branching, with veinlets arising at a very acute angle and running parallel to the veins; leaves rounded, emarginate or bluntly pointed at tip, cuneate at the base; petioles articulated with the leaf blades, finely pubescent and flattened an the upper side, 2-3 mm long; flowers arising singly in the axils of the leaves, small, 10-15 mm diam., 4- or 5-merous, with 16-20 stamens with free filaments; fruit globose or subglobose, 2.5-3.5 or 5 cm diam., with 6 segments (Schaler's green to grass green; Ridgway, 1912, pl. 6); pulp-vesicles proper (exclusive of stalk) 6-10 X 2.5-3.5 mm, lightly coherent in mature fruits, very pale greenish (water-green, Ridgway, pl. 41) near the peel but much brighter green (light grass-green to grass-green, Ridgway, pl. 3) in the center, irregularly slender-pyramidal or fusiform, more or less angular from pressure, tapering gradually into long, more or less contorted blunt tips, 1-1.5 mm wide, containing numerous large droplets of strong-flavored oil, stalks often very short, sometimes 2-3 mm long, texture of pulp-vesicles firm enough to cut into slices with a sharp knife (much firmer than in any species of Citrus); seeds flattened, containing a single embryo; no clearly defined chalazal cap in spite of the acid nature of the pulp (in Citrus the species with acid pulp have strongly colored chalazal caps).
Availability: Not commercially available in California.
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