Olive greens are mainly mustard greens.
Olive dish is a dish made from mustard greens, olives and other seasonings. Olive dish is the flavor of Guangdong Chaoshan region small dishes, belongs to the Cantonese cuisine in the Chaozhou cuisine. Olive dish is to take the flavor of olive sweet, mustard rich leaves frying, through the salt curing fermentation, cooking of the traditional process of production and become. Olive dish is also the characteristic variety of the extension of salted vegetables in Chaoshan area, which is an important part of Chaoshan gastronomic culture.
The technique of making Chaoshan olive dishes has a long history and is widely spread in Longhu District, Chenghai District and the neighboring villages and towns in Shantou City. Qing Jiaqing "Chenghai County Records" recorded: mustard, also known as large vegetables, the county after the autumn harvest field planting a lot, after harvesting with salted, very beautiful taste, Chenghai hand clever art fine women using local products olive and salted mustard fine cooking made of olive dishes.
Morphological characteristics of mustard
Annual herb, 30-150 cm high, often glabrous, sometimes young stems and leaves with prickly hairs, with frost, spicy flavor; stems erect, branched.
Basal leaves broadly ovate to obovate, 15-35 cm long, rounded at the tip, cuneate at the base, lyrate, with 2-3 pairs of lobes, or undivided, margins all notched or serrate, petiole 3-9 cm long, with lobules; lower stem leaves smaller, margins notched or serrate, sometimes crenulate serrate, not clasping; upper stem leaves narrowly lanceolate, 2.5-5 cm long, 4-9 mm wide margins obscurely sparsely dentate or entire.
Racemes terminal, prolonged after flowering; flowers yellow, 7-10 mm in diameter; pedicels 4-9 mm long; sepals yellowish, oblong-elliptic, 4-5 mm long, erect spreading; petals obovate, 8-10 mm long, 4-5 mm wide. Long-horned fruit linear, 3-5.5 cm long, 2-3.5 mm wide, petals with 1 prominent midvein; beak 6-12 mm long; fruiting pedicel 5-15 mm long. Seeds globose, ca. 1 mm in diam. Flowering March-May, fruiting May-June.