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Leaves opposite, oblong-hastate to triangular-lanceolate,2-3.5 cm long and0.5-1.5 cm wide, apex acute, base subcordate or truncate; petioles1 cm.

叶对生，长圆状戟形至三角状披针形，长2-3.5厘米，宽0.5-1.5厘米，顶端锐尖，基部近心形或截平；侧脉每边约5条；叶柄长约1厘米。

Sepals elliptic or oblong-lanceolate, 5-6 × 2-3 mm, apex obtuse.

萼片椭圆形或长圆状披针形， 5-6 * 2-3 毫米，先端钝。

Stamens 6; filaments not dilated at base; anthers oblong-linear, obtuse at apex.

雄蕊6；花丝而不是膨大的在基部；花药长圆形线，先端钝。

Bracteoles slightly shorter than or as long as bracts; leaves lanceolate, linear, or oblong to oblong-linear, apex acuminate or obtuse.

小苞片稍短于或者倍于苞；叶披针形，长，或长圆形的到长圆状线形，先端渐尖或钝。

Fruit oblong-ovoid or oblong-linear, gradually tapered to apex, slightly flattened laterally, commissure constricted; ribs 5, obtuse ridged; vittae 1 in each furrow, 2 on commissure.

果长圆状卵球形的或长圆状线形，侧面逐渐渐减至先端，稍扁平，合生面缢缩；5 棱，具钝脊；油管每棱槽1，在合生面上2。

5 Mm. Female flowers: pedicels short but extending to ca. 5 mm in fruit; sepals 5, oblong-ovate to ovate-lanceolate, ca. 8 mm; petals and disk as in male; ovary ovoid; styles 3, apex bifid.

雌花：花梗短，但在果期延伸到约5毫米；萼片5，长圆状卵形的到卵状披针形，约8毫米；如同在男性里的花瓣和花盘；子房卵球形；花柱3，先端2裂。

Petals oblong-ovate, apex not incurved; basal leaves 2–3-ternate.

卵形花瓣长圆形，先端不弯曲；基生叶2-3回三出。

Leaf blade oblong-ovate, apex acuminate or shortly caudate; achene oblong-ovoid, spinulose-verrucose.

叶片长圆状卵形，先端渐尖或者短尾状；瘦果长圆状卵球形，具微刺多疣。

Sinocarum is usually circumscribed by a suite of characters: rhizome elongate, petiole sheaths expanded, petals obtuse at apex, clawed at base, flowers radiant, and fruit oblong-ovoid.

Sinocarum 通常由一套特征限定：根状茎拉长，叶柄鞘膨大的，花瓣在先端钝，在基部有瓣爪，花辐射状，和果长圆状卵球形的。

Spikes oblong-ovoid to cylindric, 8--20 × 5--8 mm; bracts brownish, suborbicular to broadly obovate, 5--5.5 × 4--5 mm, sometimes with a prominent keel, abaxially subspinulose at center, apical part with a triangular, papillose patch, apex obtuse.

穗状花序长圆状卵球形的到圆筒状， 8-20 * 5-8 毫米；苞片带褐色，近圆形到宽倒卵形， 5-5.5 * 4-5毫米，有时有突出龙骨近有细刺在中心，顶部具一三角形，具小乳突斑点，先端钝。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。